US Patent: D55,591
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| Wrench
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Patentee:
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| Addison B. Carll (exact or similar names) - New York, NY |
| USPTO Classifications: |
| D8/22 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 06, 1919 |
| Granted: |
Jul. 06, 1920 |
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Patent Pictures:
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Addison B. Carll design patent July 6, 1920 |
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Stan Schulz
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Description: |
| "Auto" type adjustable wrench with the adjusting nut in the middle of the handle.
Practical Tools Co. was a 1920s manufacturer of the CARLL combination nut and pipe wrench (patent no. 1,060,891). |
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