US Patent: 413,940
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| Pipe Wrench
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Patentee:
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| John Thomas Hawkins (exact or similar names) - Taunton, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 29, 1889 |
| Granted: |
Oct. 29, 1889 |
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Patent Pictures:
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John T. Hawkins patent October 29, 1889 |
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Stan Schulz
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Description: |
| An improved full width adjustable stop for the smooth jaw of an "alligator wrench" -- although not noted in the specifications, the wrench in question is patent no. 404,619.
British patent GB-188909296 (registered June 4, 1889), German patent DE-50326 (effective June 4, 1889) and Canadian patent CA-34,269 (granted May 7, 1890) combine features of both patents into one set of claims. |
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