US Patent: 645,665
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| Wrench
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Patentee:
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| Henry B. Hartford (exact or similar names) - Standish, ME |
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Patent Dates:
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| Applied: |
Jul. 22, 1899 |
| Granted: |
Mar. 20, 1900 |
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Patent Pictures:
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Henry B. Hartford patent March 20, 1900 |
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Stan Schulz
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Description: |
| Toothed curved jaws and screw clamping action for gripping and turning pipes and rods.
The patent has been associated with the WEEKS & WHITNEY (Sebago Lake, ME) wrench introduced in 1913. That wrench has straight jaw faces with sharp tips for grasping the round heads of carriage bolts. The same design was advertised as the NONPAREIL Wrench by Standish Tool Works (Sebago Lake, ME) in early 1913. |
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