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3 Matching Results
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Electric Belt
Patent for improvements in electric belts.
Date:
July 5, 1887
Creator:
Williams, Robert E.
System:
The Portal to Texas History
Illuminated Sign and Operating Means Therefor
Patent for an illuminated sign and how to operating means. Illustration included.
Date:
October 30, 1906
Creator:
Dunkle, George Harvey
System:
The Portal to Texas History
Combined Pencil Holder and Sharpener.
Patent for a combined pencil holder and sharpener, which uses the sharpener as a pencil cap.
Date:
November 30, 1909
Creator:
Haase, Conrad H.
System:
The Portal to Texas History