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Pneumatic Tire and Armor Therefor
Patent for an armor for pneumatic tires. This armor allows the the tires to move freely and the replacement of the thread easily.
Date:
April 15, 1913
Creator:
Posey, James A.
System:
The Portal to Texas History
Moldboard
Patent for improvements in plow mold-boards, specifically for shedding sticky soil, and includes illustrations and description.
Date:
April 8, 1913
Creator:
Martin, William A. & Coleman, Robert J.
System:
The Portal to Texas History
Air-Compressor.
Patent for a more efficient air compressor with high and low pressure chambers formed of mating sections that can be detached to make repairs to the piston as necessary.
Date:
April 1, 1913
Creator:
Murphy, Edward
System:
The Portal to Texas History