US Patent: 1,227,183
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| Jar Wrench
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Patentee:
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| John L. Needham (exact or similar names) - Chicago, IL |
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Patent Dates:
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| Applied: |
Sep. 08, 1916 |
| Granted: |
May 22, 1917 |
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Patent Pictures:
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John H. Needham Patent May 22, 1917 |
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Stan Schulz
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Description: |
| As shown in the drawing, this hinged jaw design has three primary bearing surfaces to adapt to a range of jar lid sizes, and molded handles to give a better grip.
The 1916 patent is design patent no. D49,968. |
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