US Patent: 288,927
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Wrench
Improvement in Pipe Wrenches
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Patentee:
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| Henry Crowther (exact or similar names) - Providence, RI |
| USPTO Classifications: |
| 81/99 |
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Patent Dates:
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| Applied: |
May 14, 1883 |
| Granted: |
Nov. 20, 1883 |
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Patent Pictures:
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1 | 2
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Henry Crowther patent November 20, 1883 |
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Stan Schulz
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Description: |
| The hook jaw can swing in a limited range. It is pressed toward closure by a leaf spring.
A known example is marked "CROWTHERS WRENCH PATD NOV 20 83." |
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