3 Matching Results

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Vibrator

Description: Patent for a vibrator to be used for treating diseases and massage treatment.
Date: December 31, 1907
Creator: Swindell, John W.
Partner: UNT Libraries Government Documents Department

Fence-Post.

Description: Patent for improvements to fence post design in which a base is added to hold the post upright while keeping it above ground to prevent deterioration from soil with illustrations.
Date: July 31, 1900
Creator: Hammer, Willie Alice
Partner: UNT Libraries Government Documents Department

Fluid Pressure Brake

Description: Patent for a fluid pressure brake designed primarily for the railroad. This device is designed so the brakes will not engage prematurely before the fluid reservoir is recharged.
Date: December 31, 1901
Creator: McComas, Mark
Partner: UNT Libraries Government Documents Department
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