US Patent: 573,702
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| Wrench
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 22, 1896 |
| Granted: |
Dec. 22, 1896 |
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Patent Pictures:
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Julius Richard and Frederick Colman patent December 22, 1896 |
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Stan Schulz
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Description: |
| Chain pipe wrench with the working head detachable from the handle.
German Gebrauchsmuster registration (D.R.G.M. 75267 - Frederic Colman & Auguste Joerrs, Bisbee AZ ) probably corresponds to this patent. |
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