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Vulcanizing Apparatus
Patent for an apparatus used during the process of retreading tires that updates the manufacture of rubber tire patches.
Date:
July 12, 1918
Creator:
Rasor, James, E.
System:
The Portal to Texas History
Hopper-Door.
Patent for a hopper door especially designed to be used "with a vertically movable weighing hopper adapted to receive and weigh cotton seed" (lines 10-12). The specifics of how the door is hinged and operates is especially important to the design.
Date:
July 16, 1918
Creator:
Peck, James F.
System:
The Portal to Texas History