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Machine for Buffing Inner Tubes and the Like.
Patent for a more efficient and adjustable machine to buff inner tubes and other fabrics.
Date:
October 21, 1919
Creator:
Hibbs, Cassell D.
System:
The Portal to Texas History
Center Rail for Key-Actions.
Patent for an easily adjustable, simple, and durable center rail for key actions in pianos which does not require chiseling holes.
Date:
October 21, 1919
Creator:
Swallow, Oscar L.
System:
The Portal to Texas History
Plow
Patent for a modification of a plow that improves ease of use. Additionally the plow adds wings that allow plowing of soil at different angles.
Date:
October 21, 1919
Creator:
Richardson, William T.
System:
The Portal to Texas History
Power-Jack.
Patent for improvements on the power-jack, which help bring liquids to the surface. Specifically designed "to provide a power mechanism for balancing the load or work at all points of the stroke." (lines 11-13), including illustrations.
Date:
October 21, 1919
Creator:
Dayton, William L.
System:
The Portal to Texas History