US Patent: 574,624
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| Wrench
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Patentee:
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| John McCarthy Palmer (exact or similar names) - Marysville, MT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 16, 1896 |
| Granted: |
Jan. 05, 1897 |
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Patent Pictures:
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John McCarthy Palmer patent January 5, 1897 |
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Stan Schulz
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Description: |
| Screw-adjust pipe wrench, with the movable jaw and adjusting nut in a rocking frame.
Corresponding Canadian patent no. CA-52,971 includes a second patentee.
Ken Cope's "American Wrench Makers 1830-1930" cites an 1897 POWER item that implies Palmer intended to produce this wrench along with those in patent nos. 561,274 and 558,304. |
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