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Trolley Wheel

Patent for a trolley wheel. The invention allows for the spreading of wear over contact blocks within the hub of the wheel. Illustration included

Date: October 29, 1912

Creator: Smith, Charley E.

Partner: UNT Libraries Government Documents Department

Oil Can Spout.

Patent for new improvements to oil can where an attachment to the can is made and acts as both a stopper and a spout

Date: October 10, 1911

Creator: Melvin, Joe D.

Partner: UNT Libraries Government Documents Department

Door Construction for Railway Cars

Patent for a door to box cars, that slides across the car in the same method as a sliding door, rather than opening outward.

Date: October 31, 1916

Creator: Tierney, Henry J.

Partner: UNT Libraries Government Documents Department

Cotton Harvester.

Patent for improved cotton harvester consisting of the parts, constructions, arrangements, and combinations of parts. Patent includes figures for parts in several views.

Date: October 15, 1912

Creator: Upshaw, Lucius L.

Partner: UNT Libraries Government Documents Department

Patent for improvement in grading machines in which the speed of the drum, the speed of the drive wheels and the distance of the axis of the drive wheels can all be adjusted. Illustration is included.

Date: October 14, 1913

Creator: Foley, Charles H.

Partner: UNT Libraries Government Documents Department