CA Patent: CA-22,664
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| Wrench
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Patentees:
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| Benton Elmore (exact or similar names) - Redding, CA |
| Frederick Gratefend (exact or similar names) - Redding, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Oct. 21, 1885 |
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Patent Pictures:
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Benton Elmore patent Oct. 21, 1885 - edited from Canadian Patent Office Record |
CIPO Data
Espacenet patent
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Stan Schulz
22,664 in Canadian Patents Database
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Description: |
| Although the available drawings differ, this self-adjusting design seems to be the same one that received U.S. patent 304,807 on Sept. 9, 1884. |
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