US Patent: 95,103
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Loosening and Tightening Screw Caps of Fruit Jars
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Patentee:
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Alonzo French (exact or similar names) - Philadelphia, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Sep. 21, 1869 |
Patent Pictures:
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Alonzo French Pat. Sept. 21, 1869 |
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Stan Schulz
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Description: |
The jar wrench has the inner surface of the clamping jaws formed to match the screw-threads of the corresponding ring. |
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