US Patent: 521,312
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| Wrench For Pipes, Rods, etc.
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Patentee:
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| Charles Hall (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 28, 1893 |
| Granted: |
Jun. 12, 1894 |
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Patent Pictures:
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Charles Hall Pat. June 12, 1894 |
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Stan Schulz
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Description: |
| This version of Hall's wrench has the long slot in the "hook jaw," and the movable jaw is on one side of the handle rather than centered. The specifications note Hall's March 13, 1894 patent (no. 516,485).
Hall's other related patents are 523,810 (July 31, 1894), 533,295 (Jan. 29, 1895), and 586,738 (July 20, 1897). |
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