US Patent: 672,461
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| Pipe Wrench
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Patentee:
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| George E. Stansbury (exact or similar names) - Catlin, IL |
| USPTO Classifications: |
| 81/68 |
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Patent Dates:
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| Applied: |
Aug. 25, 1900 |
| Granted: |
Apr. 23, 1901 |
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Patent Pictures:
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George E. Stansbury patent April 23, 1901 |
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Stan Schulz
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Description: |
| A sliding loop piece with a tooth engages a rack tooth on the bar to hold the end of the chain. The chain shown in the drawing has alternate loop-shaped and flat sided links.
Known example marked STANSBURY PAT. APRIL 23, 1901. |
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