US Patent: 1,243,210
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Wrench
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Patentee:
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George A. Parmenter (exact or similar names) - Boston, MA |
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Patent Dates:
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Applied: |
Sep. 28, 1916 |
Granted: |
Oct. 16, 1917 |
Patent Pictures:
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G. A. Parmenter Pat. Oct. 16, 1917 |
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Stan Schulz
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Description: |
The patent addresses the casing and the enclosed the adjument "dog" and spring. The object is to enable one-handed adjustment. This patent and Parmenter's Oct. 5, 1915 patent (no. 1,155,955) are both noted on the quick-adjusting pipe and nut wrench his company manufactured. |
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