US Patent: 636,561
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| Wrench
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Patentee:
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| Barney Ross (exact or similar names) - Painesville, OH |
| USPTO Classifications: |
| 81/69 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 23, 1899 |
| Granted: |
Nov. 07, 1899 |
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Patent Pictures:
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Barney Ross patent Nov. 7, 1899 |
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Stan Schulz
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Description: |
| Chain pipe wrench; the patented features are details of the pivot bolt and the hooks on the main handle. The patent is an improvement on Ross' Feb. 22, 1898 patent no. 599,673. |
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