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Valve-Grinding Device

Description: Patent for a device that can simultaneously grind "several valves of a multi-cylinder engine or motor" (lines 11-12). This device allows the "ready interchangeability, repair and adjustment of the working parts" (lines 16-17).
Date: February 4, 1919
Creator: Lohec, Joseph C.
Partner: UNT Libraries Government Documents Department

Journal-Lubricator.

Description: Patent for a railway journal lubricator with a reservoir and lubricating rollers for supplying lubricant to the railway journal.
Date: February 4, 1919
Creator: Urbieta, Jose M.
Partner: UNT Libraries Government Documents Department

Machine for making mattresses.

Description: Patent for a machine for making mattresses with compressed lint-cotton inserted into a tick.
Date: June 4, 1901
Creator: Morgan, John W.
Partner: UNT Libraries Government Documents Department

Water-Heater.

Description: Patent for a water heater for use in small spaces. This water heater heats water rapidly and is less costly as well as smaller than a standard boiler.
Date: August 4, 1903
Creator: Damm, William
Partner: UNT Libraries Government Documents Department

Wave-Motor

Description: Patent for a wave motor for vehicles that travel on water. Illustrations included.
Date: February 4, 1913
Creator: Stribling, Samuel L.
Partner: UNT Libraries Government Documents Department

Key.

Description: Patent for a key, which can be produced in quantity but without any of them being able to open the same door.
Date: February 4, 1908
Creator: Katzenberger, Oscar
Partner: UNT Libraries Government Documents Department

Latch Mechanism for Spittoon-Covers.

Description: Patent for an improved latch mechanism for sliding covers on spittoons.
Date: July 4, 1917
Creator: Lovece, Nicola
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel

Description: Patent for a vehicle wheel with a tire that is improved with a spring cushion.
Date: January 4, 1921
Creator: Allan, William N.
Partner: UNT Libraries Government Documents Department

Parcel Carrier Guard for Bicycles

Description: Patent for improved Parcel-Carrier Guard for bicycles. Specifically the patent helps to prevent contact with the parcel carrier guard and the front wheel.
Date: July 4, 1916
Creator: Apple, William M.
Partner: UNT Libraries Government Documents Department

Means for Transmitting Motion.

Description: Patent for certain new and useful improvements in means for transmitting motion, including instructions and illustrations.
Date: October 4, 1898
Creator: Holmgreen, Julius H. & Holmgreen, Eugene A.
Partner: UNT Libraries Government Documents Department

Stamp Canceler.

Description: Patent for a new and improved stamp canceler. This design "is to provide a . . . stamp-canceler, which is so constructed that it punctures or perforates the stamp and inks it at the same time, but does not mutilate the letter or other contents of the envelope" (lines 7-12).
Date: May 4, 1886
Creator: Luzenberg, Edward A. & Sachs, Edward
Partner: UNT Libraries Government Documents Department

Trolley - Guard

Description: Patent for a new and useful improvement in trolley-guards to prevent "the trolley - wheel at the top of a trolley - pole from jumping fro the conducting - wire, thus avoiding the stopping of the cars" (line 9 - 11).
Date: January 4, 1898
Creator: Vogler, Herman J.
Partner: UNT Libraries Government Documents Department

Milking Apparatus

Description: Patent for a milking apparatus. This invention is designed to imitate the action of hand milking or a calf's sucking. Illustration included.
Date: August 4, 1908
Creator: Sinclair, William
Partner: UNT Libraries Government Documents Department

Padlock.

Description: Patent for a padlock, which can only be opened with a certain key and prevents the use of many lock-picking devices.
Date: February 4, 1908
Creator: Katzenberger, Oscar
Partner: UNT Libraries Government Documents Department

Motor-Bicycle

Description: Patent for "a frame in which the motor shall be firmly supported without undue strain on any part of the machine and in which the weight of the motor shall be as low as may be and to connect the motor to the driving-axle in such way that a pedal shall also be utilized for driving the machine with little interference from the motor and with a proper balance of friction and to improve certain details and combinations of the driving-gear" (lines 10-20).
Date: June 4, 1901
Creator: White, Edward Y.
Partner: UNT Libraries Government Documents Department

Paracentesis Needle or Trocar

Description: Patent for a needle with the purpose of injecting fluids or extracting excess fluids from the body. Includes illustrations to demonstrate the object of the patent.
Date: December 4, 1917
Creator: Hill, Phillip
Partner: UNT Libraries Government Documents Department

Pencil-Sharpener.

Description: Patent for a pencil sharpener that sharpens pencils quickly and efficiently. This invention catches the resulting shavings and dust, and has a compact design to fit in a pocket.
Date: November 4, 1913
Creator: Wolf, John J.
Partner: UNT Libraries Government Documents Department

Oil Burner

Description: Patent for Oil Burner
Date: August 4, 1903
Creator: Neuendorff, John B.
Partner: UNT Libraries Government Documents Department

Electric Cigar-Lighter.

Description: Patent for a cigar lighter in which the cigar is lit on a glowing surface, improves on the ease of operating a cigar lighter, and provides space for an advertisement.
Date: May 4, 1897
Creator: Handshy, Henry M.
Partner: UNT Libraries Government Documents Department

Gas-Compressing Pump.

Description: Patent for a gas-compressing pump used in refrigeration and ice making. "The object of [the] invention is to reduce the height of a vertical machine, to facilitate access to the parts and relieve the foundation of strains; to reduce to a minimum the angularity of the connecting rod during the latter part of the stroke, and to improve various details of construction" (lines 19-25).
Date: December 4, 1894
Creator: Farnsworth, Thomas
Partner: UNT Libraries Government Documents Department

Horse-Detaching Device.

Description: Patent for a horse-detaching device that attaches to the forward axle of a vehicle. The invention will not affect the seating capacity of the vehicle, and can be used to release the thills of the vehicle quickly if the driver loses control of the horse. The device can be used to guide the vehicle after the horse is released.
Date: February 4, 1896
Creator: Friedlander, Joseph
Partner: UNT Libraries Government Documents Department

Account-Index.

Description: Patent for an account index card holder with “superposed parallel arms” (lines 111-112) that allow portions of the front and reverse side of each card to be visible. The holder and its supports may be used with a system for organizing, tracking, and indexing accounts.
Date: November 4, 1913
Creator: Roach, William Eli
Partner: UNT Libraries Government Documents Department

Desk-Ruler.

Description: Patent for certain new and useful improvements in desk-rules, including instructions and illustrations.
Date: July 4, 1899
Creator: Connett, Matthew F.
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Apparatus.

Description: Patent for machines that generate acetylene gas for a "simple and comparatively inexpensive construction, in which the gas is thoroughly washed before entering the service-pipe and in which the water-supply to the generator is controlled by the gas pressure and the carbid kept at all times cooled by surrounding water" (lines 11-17).
Date: December 4, 1900
Creator: McGoldrick, William Hamilton
Partner: UNT Libraries Government Documents Department
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