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Windmill.

Description: Patent for an improved windmill which allows for the conversion of "a rotating motion into a reciprocatory motion" (line 15-16) which allows the windmill to be "manufactured and sold at a comparatively low rate" (line 41-43).
Date: February 8, 1921
Creator: Cryer, Henry M.
Partner: UNT Libraries Government Documents Department

Wire-Stretcher.

Description: Patent for an improvement to wire stretchers and splicers, to more practically "facilitate the stretching and splicing of fence wire or the like" (lines 12-13), including illustrations.
Date: November 8, 1921
Creator: Sanderson, Auther L.
Partner: UNT Libraries Government Documents Department

Boat.

Description: Patent for boat with improvements towards easy movements by using a propeller and rudder. The boat is designed with the user to use their feet to manually move the boat. The boat is designed for hunting or fishing while keeping the hands free.
Date: March 8, 1921
Creator: Greer, John C.
Partner: UNT Libraries Government Documents Department

Wheel Tread.

Description: Patent for wheel treads designed for heavy vehicles. The metal shoes on the tread are to help enable the vehicle to go over both hard and soft surfaces.
Date: February 8, 1921
Creator: Ingram, Joseph D.
Partner: UNT Libraries Government Documents Department

Spike-Extractor

Description: Patent for a spike extractor that consists of a gripper and spring legs with inturned jaws.
Date: March 8, 1921
Creator: Hector, Olinthus H.
Partner: UNT Libraries Government Documents Department

Oil-Burner.

Description: Patent for an oil-burner used to provide a structure of low cost material that allows thorough heating of the oil to accommodate the conversion to gas and combustion for flame at the orifice.
Date: March 8, 1921
Creator: Daily, William T.
Partner: UNT Libraries Government Documents Department

Motor- Driven Tire- Pump

Description: Patent for Motor-Driven Tire Pump. Motor tire pump that helps inflate tires.
Date: February 8, 1921
Creator: Guthrey Gordon N.
Partner: UNT Libraries Government Documents Department

Trolley Wheel

Description: Patent for an improved trolley wheel that has an intermediate trolley wire groove and spiral replacing grooves arranged on opposite sides of the intermediate groove so as to automatically return the trolley wire to the intermediate groove.
Date: February 8, 1921
Creator: Horton, Walter F. & Larson, Raymond G.
Partner: UNT Libraries Government Documents Department

Casing-Elevator.

Description: Patent for a casing elevator used to remove casings of various diameters from wells. The main specialty of this invention is the use of hinged sections containing pivoted jaws to clamp around the casings.
Date: November 8, 1921
Creator: Boyter, Arthur J.
Partner: UNT Libraries Government Documents Department

Blackboard.

Description: Patent for a rotating blackboard that can be covered when not in use, as well as adjusted to different heights and locked into place so the writer can utilize every available space of the blackboard. The inventor designed the blackboard "for use in schools and brokerage offices."
Date: March 8, 1921
Creator: Grothaus, Julia
Partner: UNT Libraries Government Documents Department

Blow-Out Boot.

Description: Patent for a blow-out boot (as it pertains to tire repair). The defining feature of this invention is that the edges are flexible and overlapping, containing slots and loops that correspond to each other to facilitate the joining of the edges.
Date: November 8, 1921
Creator: Williams, George G.
Partner: UNT Libraries Government Documents Department

Building Construction.

Description: Patent for a building construction method. After completion of typical foundation and framework construction, "interlocking slabs or tiles are secured to the framework to form an outer covering or sheathing for the building." The interlocking method requires no cementing of material yet still allows water to be shed. "Provision is also made for fastening slabs or tiles to the framework in a manner permitting rapid assembly of parts" which reduces building time. The invention can be applied to d… more
Date: November 8, 1921
Creator: Walker, Isham P.
Partner: UNT Libraries Government Documents Department

Attachment for Gun-Slings

Description: Patent for an attachment for gun slings that can be used on army rifles or other guns and provides the means for the sling to be held tight against the arm for steady aim.
Date: November 8, 1921
Creator: Grierson, Benjamin Henry
Partner: UNT Libraries Government Documents Department

Insect Catcher

Description: Patent for Insect Catcher, The objective of this invention is to provide a novel and improved device for this general character especially designed and adapted for use in connection with growing plants and is especially adapted for use to destroy boll weevils, bollworms, sharp shooters, and bugs and insects which infest cotton, potato, tomato and kindred plants.
Date: November 8, 1921
Creator: Ryan, William C. & Ruhmann, Grover C.
Partner: UNT Libraries Government Documents Department

Dressing Block.

Description: Patent for Dressing Block for well drilling tools. A further aim of this invention is to provide a means for adjusting the tool and the anvil so that tools of different lengths and different sizes, may be readily accommodated and properly dressed.
Date: November 8, 1921
Creator: Montgomery, Gustavus A.
Partner: UNT Libraries Government Documents Department

Well-Drill Wrench.

Description: Patent for a well drill wrench that is easily adjustable for different sized drill chucks. Its designs makes rotating the wrench smoother and less likely to slip off of drill chucks.
Date: November 8, 1921
Creator: Ellinger, William H.
Partner: UNT Libraries Government Documents Department

Stub-Axle Adjustment Device.

Description: Patent for useful improvements for Stub-Axle Adjustment Devices. This device will allow for the stub-axle to be efficiently adjusted in both a vertical plane and a transverse plane with respect to the machine.
Date: November 8, 1921
Creator: Kopplin, Otto E.
Partner: UNT Libraries Government Documents Department

Explosion-Hatch for Oil-Tanks.

Description: Patent for useful and new improvements in explosion hatches for oil tanks. This product specifically provides a hatch on the oil tank which will permit the escape of combustion gasses through the hatchway. It does so without damage to the hatch, case, or the tank. This provides additional safety and security for the operator.
Date: November 8, 1921
Creator: Hull, Burton E.
Partner: UNT Libraries Government Documents Department

Package-Binder and Hooks Therefor and Record-Check

Description: Patent for a simple, effective, and relatively economical way to secure items when shipped or handled. The patent includes strap binders, hooks and straps therefor, and a record check.
Date: November 8, 1921
Creator: Glisson, Amos A.
Partner: UNT Libraries Government Documents Department

Shock-Absorber.

Description: Patent for an improved design of shock absorbers that gives vehicles a smoother ride.
Date: March 8, 1921
Creator: Swindowsky, Walter
Partner: UNT Libraries Government Documents Department

Electrical Tank-Gage.

Description: Patent for tank gages that use an electrical indicator to show fluid levels and waste that settles at the bottom of the tank.
Date: November 8, 1921
Creator: Bartlett, Ernest C. & Allison, Joseph, E.
Partner: UNT Libraries Government Documents Department

Cotton Picking Apparatus.

Description: Patent for cotton-picking apparatus. This apparatus supports complete removal of the cotton from plant without foreign objects or harm to plant.
Date: November 8, 1921
Creator: Alvin, Alleyne D.
Partner: UNT Libraries Government Documents Department

Burglar-Alarm

Description: Patent for improvements in burglar alarms, with horns and sirens.
Date: March 8, 1921
Creator: Sefcik, Francis
Partner: UNT Libraries Government Documents Department

Polished-Rod Clamp.

Description: Patent for improvements in Polished-Rod Clamps that "quickly and easily attached to a rod without the use of tools" (lines 56-57) and "be easily operated at a distance from a pump" (lines 59-60).
Date: November 8, 1921
Creator: Weister, Edward P.
Partner: UNT Libraries Government Documents Department
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