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Magneto-Telephonic Apparatus

Description: Patent for an invention to improve transmitting vocals and other sounds. It is a magneto telephonic system based on an magnetic field of high intensity.
Date: May 4, 1886
Creator: Brown, Fred. H.
Partner: UNT Libraries Government Documents Department

Knee-Pad.

Description: Patent for a knee pad to be used by berry or cotton pickers, or other workers that are often in a kneeling position. The knee pad consists of a frame made of "one piece of spring wire of rather coarse gage, a roller revolubly attached to the front end of the frame, and cloth or canvas stretched across the frame" (lines 23-27). The cloth is easy to remove and replace.
Date: March 4, 1919
Creator: Holsey, Walter R.
Partner: UNT Libraries Government Documents Department

Leather-Working Machine

Description: Patent for a leather-working machine which performs the many steps involved in finishing leather straps and related items into one easy step, with illustrations.
Date: June 4, 1918
Creator: Russell, Frank K.
Partner: UNT Libraries Government Documents Department

Valve-Flushing Means

Description: Patent for a method of expelling debris and deposits in a foot valve, including illustrations.
Date: May 4, 1920
Creator: Coulson, William J.
Partner: UNT Libraries Government Documents Department

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

Line Type Casting Machine.

Description: Patent for a linotype machine with improvements to the float, the ejector, and slugs magazine.
Date: November 4, 1919
Creator: Wilmans, Lloyd I.
Partner: UNT Libraries Government Documents Department

Wave-Motor.

Description: Patent for a wave motor including an apparatus within a wave disturbed liquid using a power converting mechanism to convert energy in a more convenient form, including illustrations.
Date: April 4, 1916
Creator: Fousek, Karl
Partner: UNT Libraries Government Documents Department

Well-Drill

Description: Patent for well drill that enables its upper end to be struck without disengaging the cable with an objective to provide simple, inexpensive, and convenient use.
Date: July 4, 1916
Creator: Walker, Merit Benjamin
Partner: UNT Libraries Government Documents Department

Wheel and Shaft

Description: Patent for a wheel and shaft designed for use in drilling oil and gas wells.
Date: October 4, 1921
Creator: Hudson, James Condron
Partner: UNT Libraries Government Documents Department

Window Attachment.

Description: Patent for a sash attachment that steadies the movement of the window sash within a window frame and prevent rattling.
Date: May 4, 1920
Creator: Dysart, Marby P.
Partner: UNT Libraries Government Documents Department

Locomotive Driving-Box.

Description: Patent for improvements in locomotive driving boxes. Designed to "eliminate the necessity of removing the driving wheels" (lines 13-14) to replace the crown brasses, "eliminate the necessity of removing the driving box" (lines 16-17) to avoid lateral wear, and eliminates the necessity of expensive machine work.
Date: May 4, 1920
Creator: Simmons, Arthur, W.
Partner: UNT Libraries Government Documents Department

Machine for Washing Dishes.

Description: Patent for a new and improved dish-washing machine. This design "relates to machines for cleansing dishes, clothes, and other articles of that class in which the water is agitated. The object of the invention is to provide a simple, inexpensive, and generally efficient machine that will perform its functions speedily, and will require but very little expenditure of operating power" (lines 10-17).
Date: December 4, 1883
Creator: Harris, Charles Alexander.
Partner: UNT Libraries Government Documents Department

Lubricator.

Description: Patent for a new and improved lubricator. This design "relates to improvements in that class of lubricators wherein the oil reservoir or vessel is provided with a discharge-pipe passing through the bottom to the point of delivery, and rising within the reservoir to near its top, the steam rising in such pipe condensing and falling by gravity to the bottom of the reservoir, thus displacing the oil, and causing it to rise and flow down through the pipe to the parts to be lubricated" (lines 8-17).
Date: March 4, 1884
Creator: Bissett, Jean
Partner: UNT Libraries Government Documents Department

Well-Drill Machine.

Description: Patent for improvements in well-drill machine by improving its operating and feed mechanisms.
Date: January 4, 1910
Creator: Anthony, Russell
Partner: UNT Libraries Government Documents Department

Loose-Leaf Binder

Description: Patent for loose-leaf binders. A strong and easy way to attach or remove loose leaf papers from a flat book.
Date: January 4, 1906
Creator: Owen, Thomas
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

Machine For Picking and Cleaning Cotton

Description: Patent for a machine for picking and cleaning cotton. Illustration included.
Date: September 4, 1906
Creator: Richmond, George E. & Desel, Charles L.
Partner: UNT Libraries Government Documents Department

Water Heater

Description: Patent for water heater. The invention is designed to use gas as fuel to heat the water heater. Illustrations included.
Date: December 4, 1906
Creator: Simpson, Ray C.
Partner: UNT Libraries Government Documents Department

Wheel-Fender

Description: Patent for fenders for truck wheels using hoods and reinforcing bands, including illustrations.
Date: May 4, 1915
Creator: Leach, Felix
Partner: UNT Libraries Government Documents Department

Line-Type-Casting Machine.

Description: Patent for new and useful Improvements in Line-Type-Casting Machines, including illustrations and instructions. This invention relates to the casting of "lines of type on slugs or bars formed in molds from metal supplied by a melting pot" (lines 11-13) for linotype machines and provides "novel and efficient means for holding the used or worn out slugs in position to be fed to a melting pot, improved devices for automatically feeding one or more slugs to the pot as often as necessary, and novel… more
Date: September 4, 1917
Creator: Wilmans, Lloyd I.
Partner: UNT Libraries Government Documents Department

Kite.

Description: Patent for a new design of kite in which the frame is adjustable and able to form different shapes. Illustrations and instructions included.
Date: January 4, 1916
Creator: Exline, Marcus P.
Partner: UNT Libraries Government Documents Department

Vehicle.

Description: Patent for a vehicle that is "designed particularly for travel through the water but adapted through the peculiarity of its construction for travel with practically equal facility on the land." (p. 1, lines 9-12), including illustrations.
Date: May 4, 1915
Creator: Ramsey, Frank T.
Partner: UNT Libraries Government Documents Department
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