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Adjustable Tire Mold
Patent for a tire mold that improves the viability of a tire mold due to the adjustable levers used during the tire curing process.
Date:
December 7, 1920
Creator:
Hibbs, Cassell D.
System:
The Portal to Texas History
Skeleton Structure.
Patent for Skeleton Structures or convertible structures able to be used different agricultural uses that "may be disassembled and reassembled in a different shape either by using the same parts or by adding additional parts," (line 25-28) including illustrations.
Date:
December 14, 1920
Creator:
Dietz, Paul, A.
System:
The Portal to Texas History