US Patent: 754,063
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Wrench
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Patentees:
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Charles E. Hawkins (exact or similar names) - East Pittsburg, Allegheny County, PA |
Frank Cary (exact or similar names) - Wilkinsburg, Allegheny County, PA |
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Patent Dates:
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Applied: |
Apr. 10, 1903 |
Granted: |
Mar. 08, 1904 |
Patent Pictures:
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Charles E. Hawkins and Frank Cary patent March 8, 1904 with 12 inch example photo courtesy Les Williams |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
Combination quick and screw-adjustment; a spring-loaded lever in the forward portion of the movable jaw has teeth that can be lifted away from the adjusting screw for quick adjustment.
A known example has the patent date prominently cast into the handle.
H. C. Evert & Co. - patent attorneys
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