CA Patent: CA-35,548
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| 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: |
Sep. 22, 1890 |
| Granted: |
Dec. 02, 1890 |
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Patent Pictures:
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Daniel R. Porter patent Dec. 2, 1890 - edited from Canadian Patents Database |
CIPO Data
Espacenet patent
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Stan Schulz
35,548 in Canadian Patents Database
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Description: |
| Screw-adjust pipe wrench; corresponding U.S. patent 426,956 was granted April 29, 1890. |
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