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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
Locomotive Wheel Hub and Plate
Patent for improvements to locomotive wheel hubs and plates with the purpose of "inhibiting adjustment of the plate beyond the safety point" (lines 20-21), including illustrations.
Date:
November 7, 1922
Creator:
Lambert, Floyd D.
System:
The Portal to Texas History
Strap Binder or Lock and Record-Check.
Patent for an improved strap-binder or lock and record-check that is "simple, effective, and comparatively inexpensive" to manufacture (lines 8-11).
Date:
July 7, 1921
Creator:
Glisson, Amos A.
System:
The Portal to Texas History