US Patent: 519,254
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| Pipe Wrench
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Patentee:
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| John Geisendorfer (exact or similar names) - Weimar, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 25, 1893 |
| Granted: |
May 01, 1894 |
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Patent Pictures:
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John Geisendorfer patent May 1, 1894 |
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Stan Schulz
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Description: |
| Size adjustment is made by a pin that connects a yoke to one of a series of holes in the handle. The movable jaw has a tooth on the base that engages one of a series of notches in the handle. A spring between the movable jaw and hook jaw presses the tooth and notches together. |
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