US Patent: 510,182
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| Pipe Wrench
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Patentee:
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| Henry Martini (exact or similar names) - St. Louis, MO |
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Patent Dates:
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| Applied: |
Apr. 24, 1893 |
| Granted: |
Dec. 05, 1893 |
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Patent Pictures:
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Henry Martini patent December 5, 1893 |
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Stan Schulz
Feb. 10, 1897 THE ELECTRICAL ENGINEER
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Description: |
| An "alligator wrench" with replaceable toothed surface, and a sliding smooth jaw face to counteract the tendency of alligator wrenches to "lock" onto the work piece or crush it.
It was listed in the 1895 Montgomery Ward catalog, in 10 and 16 inch sizes. Known examples marked only PAT. DEC 5, '93. Manufacturer information taken from an item in the Feb. 10, 1897 THE ELECTRICAL ENGINEER. |
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