US Patent: 640,084
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| Chain Pipe Wrench
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Patentees:
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| Philip Henry Bohner (exact or similar names) - Peckville, PA |
| Charles Ambrose Bohner (exact or similar names) - Paducah, TX |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 29, 1899 |
| Granted: |
Dec. 26, 1899 |
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Patent Pictures:
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Philia H. and Charles A. Bohner patent Dec. 26, 1899 |
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Stan Schulz
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Description: |
| Circular gripping sections are interposed between longer flat links in the chain. |
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