US Patent: 174,354
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| Pipe-Wrench
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Patentee:
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| Isaiah Cressey (exact or similar names) - Gloucester, MA |
| USPTO Classifications: |
| 81/97 |
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Patent Dates:
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| Applied: |
Apr. 02, 1875 |
| Granted: |
Mar. 07, 1876 |
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Patent Pictures:
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Isaiah Cressey Pat. March 7, 1876 |
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Stan Schulz
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Description: |
| The movable jaw pivots out from a base that is moved up and down the main shank by an adjusting ring. Known examples like no. 595 in "Antique and Unusual Wrenches" by Schulzes have a coil spring beneath the rocking jaw insert.
Cressey's March 24, 1885 patent (no. 314,517) is an elaboration and modification of this patent. |
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