US Patent: 1,321,625
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Multiple Wrench Tool
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Patentee:
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Albert D. Grover (exact or similar names) - New York, NY |
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Patent Dates:
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Applied: |
Aug. 16, 1917 |
Granted: |
Nov. 11, 1919 |
Patent Pictures:
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Albert D. Grover Pat. Nov. 11, 1919 |
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Stan Schulz
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Description: |
The tool has a rotating head with open end wrench sizes. The slider holds the rotating head when slid into the wrench body, and has a screwdriver at the end when extended. The Grover Wrench was issued as an adjustment tool for Grover Tuners for stringed musical instruments.
An annotated copy of January 1923 POPULAR MECHANICS digitized by the Google Books project gives the maker name as A. D. Grover of Long Island City, N.Y. |
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