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Resilient Wheel
Patent for Resilient Wheel.
Date:
February 22, 1916
Creator:
Kettler, Martin F.
System:
The Portal to Texas History
Dental Instrument.
Patent for a new and improved dental instrument "designed to be used for removing the enamel around the base of a tooth preparatory to crowning the same and may be also employed for the purpose of removing crowns from teeth" (lines 12-16), including illustrations.
Date:
August 22, 1916
Creator:
Hamilton, Arthur L.
System:
The Portal to Texas History