US Patent: 546,443
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Pipe Wrench
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Patentee:
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Edward Wright (exact or similar names) - Worcester, MA |
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Patent Dates:
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Applied: |
Feb. 09, 1895 |
Granted: |
Sep. 17, 1895 |
Patent Pictures:
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Edward Wright patent September 17, 1895 |
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Stan Schulz
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Description: |
Screw adjust pipe wrench, with the movable jaw including a frame that wraps around the main shank. The adjusting nut fits between two projections from the main shank, and includes holes for insertion of small levers to increase the force applied to the adjusting screw.
A known example has no discernible markings. |
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