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in creator/contributor: "Buchanan, E. A."

Pump.

Patent for an improvement in pumps and "has for its object the provision of a pump providing a counterbalance for the weight of the column of liquid in the suction pipe provided by a vacuum chamber in the pump" (lines 10-14). Illustration included.

Date: November 11, 1919

Creator: Haszinger, George Ernest

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Spring-Wheel.

Patent for improvements to vehicle spring wheels to replace pneumatic wheels, "embodying in its use relatively movable members having coil springs interposed therebetween whereby to secure the proper resilience" (lines 13-16) necessitating very few parts, including illustrations.

Date: October 4, 1921

Creator: Bush, Horace L. & Bryan, Andrew J.