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Inductance Device for Wireless Electrical Signaling

Description: Patent for device to "receive messages transmitted in the form of dots, dashes or spoken words through space" (lines 16-17)
Date: March 30, 1915
Creator: Lorenz, Charley O.
Partner: UNT Libraries Government Documents Department

Interest-Computing Device.

Description: Patent for a mechanical interest computing device, which is designed to be simple to build, maintain, and operate.
Date: December 10, 1918
Creator: Harris, Ira S.
Partner: UNT Libraries Government Documents Department

Stenographic-Writing Means

Description: Patent for improvements in stenographic-writing (typewriting). The object of the invention being "to provide a keyboard comprising keys to cooperate with suitable printing means, and to so arrange said keys...to facilitate the speed at which the writing can be accomplished" (lines 14-20).
Date: April 1, 1913
Creator: Ireland, Ward S.
Partner: UNT Libraries Government Documents Department

Touch-System Hand-Rest

Description: Patent for attaching a novel clamp to the rest frame of a typewriter or table. The clamps can be adjusted to fit various pieces of furniture or typewriters. The invention is to improve the way the hand rests on the frame of the typewriter.
Date: August 27, 1918
Creator: Anderson, Walter 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

Adding-Machine

Description: Patent for improvements to adding machines, which is key-operated and includes a vertically disposed shaft and a means to actuate the sliding plate.
Date: January 5, 1915
Creator: Gatewood, William F.
Partner: UNT Libraries Government Documents Department
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