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Internal Combustion and Air Compressing Engine

Description: Patent for internal combustion and air compressing engine. Illustration included.
Date: October 19, 1909
Creator: Risley, Ward & Risley, Zeph L.
Partner: UNT Libraries Government Documents Department

Rotary Reversible Engine

Description: Patent for rotary reversible engine. Illustrations included.
Date: October 19, 1909
Creator: Risley, Ward & Risley, Zeph L.
Partner: UNT Libraries Government Documents Department

Folding Car-Step.

Description: Patent for folding steps attached to a railway car or trolley, which are easily operated by the conductor and when folded block the exit of the car to prevent passengers leaving or entering without the steps.
Date: October 29, 1907
Creator: Felkner, William G.
Partner: UNT Libraries Government Documents Department

Fender for Cultivators.

Description: Patent for a fender for cultivators or cotton choppers.
Date: October 18, 1910
Creator: Foster, George M.
Partner: UNT Libraries Government Documents Department
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