US Patent: 324,378
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Pipe Wrench
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Patentee:
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James T. Hayden (exact or similar names) - Boston, MA |
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Patent Dates:
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Applied: |
Jan. 16, 1885 |
Granted: |
Aug. 18, 1885 |
Patent Pictures:
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James T. Hayden patent August 18, 1885 |
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Stan Schulz
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Description: |
The jaws are hinged clamps held to the handle by a loop and closed by a cam on the handle. One handle would be used with several sizes of clamps. This non-marring wrench was designed for brass pipe or other pipe with a bright finish. |
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