US Patent: 52,065
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Wrench
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Patentee:
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Joel Moulton (exact or similar names) - Boston, MA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Nov. 21, 1865 |
Granted: |
Jan. 16, 1866 |
Patent Pictures:
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Joel Moulton Pat. Jan 16, 1866 |
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Stan Schulz
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Description: |
The sliding jaw is held in place against rack teeth on the main shank by the cam action of the second handle. |
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