UNT Libraries Government Documents Department - 6 Matching Results

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Combination Swing and Couch.

Description: Patent for a piece of swinging furniture for infants and small children which can be converted between a seat and a couch. This device is designed to be collapsed and folded for easy storage, as well as to be cheap and easy to manufacture. Illustrations included.
Date: February 10, 1920
Creator: McDevitt, Leslie I.
Item Type: Refine your search to only Patent

Steering Device and Brake for Tractors

Description: Patent for new and useful improvements for the steering and stopping of tractors, particularly for the machines that are extremely difficult and laborous to manually steer and apply brakes. The invention permits the controlling of the direction of movement of the behicle by disconnecting the source of power from the wheel(s) at one side while those at the other side contrinue to rotate under power. The invention allows for braking to be used to slow the motion of the tractor on downward grade o… more
Date: January 10, 1922
Creator: Lewis, Otto Leroy
Item Type: Refine your search to only Patent

Tractor.

Description: Patent for improvements to a previous patent application for a tractor (Serial No. 399599, filed 1920-07-28). The improvements include rearrangements of parts for the driving wheels from the front to the rear and the rearrangement of the transmission housing.
Date: January 10, 1922
Creator: Lewis, Otto Leroy
Item Type: Refine your search to only Patent
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