CA Patent: CA-56,225
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| Pipe-Wrench
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Patentee:
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| Daniel Rupert Porter (exact or similar names) - Chelsea, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 22, 1897 |
| Granted: |
Jun. 10, 1897 |
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Patent Pictures:
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Samuel May, Jr. (assignee of Daniel Rupert Porter) patent June 10, 1897 edited from CANADIAN PATENT OFFICE RECORD |
CIPO Data
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Stan Schulz
56,225 in Canadian Patents Database
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Description: |
| A self-adjusting "alligator" pipe wrench, with a spring acting to close the jaws, and a double-pivot link connecting the main shank and movable jaw.
Corresponding U.S. patent no. 556,834 was issued March 24, 1896. |
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