12 Matching Results

Search Results

Results: 1 - 12

Universal Lock and Latch.

Description: Patent for an improved lock and latch system that can be utilized on either the left or right side of a door. The improved design is constructed using the minimum number of materials while remaining durable.
Date: September 14, 1920
Creator: Schultze, August J.
Partner: UNT Libraries Government Documents Department

Tape Feeding And Checking Register

Description: Patent for an improved register that can verify transactions
Date: March 30, 1920
Creator: Greenwalt, Jesse Austin
Partner: UNT Libraries Government Documents Department

Sailboat.

Description: Patent for an improved sailboat with updated "arrangement of cables controlling the movements of the sails whereby the force of the wind alone is utilized to simultaneously shift all the sails... by merely changing the course of the vessel by actuating the rudder in the usual manner." (lines 10-16), including illustrations.
Date: September 12, 1922
Creator: Moraitis, Charalabos
Partner: UNT Libraries Government Documents Department

Waiterless Restaurant

Description: Patent for a waiterless restaurant design with electrically operated waiters.
Date: September 6, 1921
Creator: Paul, Charles P.
Partner: UNT Libraries Government Documents Department

Spring-Wheel.

Description: Patent for new improvements for Spring-Wheels "in which the springs are rigidly secured to the hub portion and pivotally connected with the rim portion" (lines 10-12) including construction and illustrations.
Date: June 29, 1920
Creator: Rozankovich, Thomas
Partner: UNT Libraries Government Documents Department

Amusement Device.

Description: Patent for a Ferris wheel in which the passenger cars rotate horizontally in addition to rotating vertically with the direction of the main wheel.
Date: May 24, 1921
Creator: Lindamood, Roy S.
Partner: UNT Libraries Government Documents Department

Dredge-Pump

Description: Patent for new and useful improvements to Dredge-Pumps. The pump is used to draw up sand and gravel from the bottom of a river.
Date: April 12, 1921
Creator: Stenberg, Anders Gustaf
Partner: UNT Libraries Government Documents Department

Writing Pen.

Description: Patent for a dip pen or nib pen, with innovations concentrating on the tip (nib). The tip is moderately sharp to glide over paper, bent for smooth writing and ink conservation, and stiff "to enable it to be used in making carbon copies" (lines 26-27).
Date: February 14, 1922
Creator: Block, Henry, 1875-1939
Partner: UNT Libraries Government Documents Department

Valve for Flushing-Tanks.

Description: Patent for a flushing tank valve that reduces the time it takes to fill the tank with a higher accuracy for shut off levels.
Date: June 21, 1921
Creator: Sweeny, John S.
Partner: UNT Libraries Government Documents Department

Flushing tank for siphon closets.

Description: Patent for flushing tanks to connect to siphon closets that is improvement vacuum
Date: June 21, 1921
Creator: Sweeny, John S.
Partner: UNT Libraries Government Documents Department

Automobile-Engine Hood and Drain-Trough Therefor.

Description: Patent for the creation of "an improved automobile hood and particularly drain trough" (lines 12-14) that have been adapted in order to reduce the risk of water leaking into the vehicle's engine.
Date: March 30, 1920
Creator: Stowe, George B.
Partner: UNT Libraries Government Documents Department

Garment-Hanger.

Description: Patent for a new garment hanger with supported arms that can be folded for storage, including illustrations.
Date: April 5, 1921
Creator: Morton, John R.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen