US Patent: 765,569
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| Wrench
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Patentee:
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| Alfred G. Ely (exact or similar names) - New York, NY |
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Patent Dates:
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| Applied: |
Jul. 05, 1903 |
| Granted: |
Jul. 19, 1904 |
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Patent Pictures:
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Alfred G. Ely patent July 19, 1904 |
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Stan Schulz
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Description: |
| The features of this patent used in production are the slotted shaft of the movable jaw and "T" rib and retainer on the main handle piece. The patent describes a pipe wrench.
The abridged specifications for corresponding British patent GB-190416376 (no. 16,376 of 1904) note a nut wrench option. The nut wrench was called the TRIMO MONKEY WRENCH, with a thin profile 10 inch version called the AUTO. .
By 1912, this design for the monkey wrench was dropped and replaced with a solid shank adjustable jaw passing through a relatively thin walled frame extending from the handle -- the frame style appears in patent no. 1,430,955.
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