US Patent: 356,986
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Pipe Wrench
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Patentee:
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John Clark (exact or similar names) - Greenpoint, NY |
USPTO Classifications: |
81/98 |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Nov. 04, 1886 |
Granted: |
Feb. 01, 1887 |
Patent Pictures:
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John Clark patent February 1, 1887 |
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Stan Schulz
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Description: |
The position of the swinging hook jaw is set by a tapered key. |
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