Resource Type
Counties
3 Matching Results
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Vibrator
Patent for a vibrator to be used for treating diseases and massage treatment.
Date:
December 31, 1907
Creator:
Swindell, John W.
System:
The Portal to Texas History
Fence-Post.
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
System:
The Portal to Texas History
Fluid Pressure Brake
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
System:
The Portal to Texas History