CA Patent: CA-35,643
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| Vehicle Wrench
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Patentee:
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| John A. Miller (exact or similar names) - St. Louis, MO |
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Patent Dates:
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| Applied: |
Nov. 15, 1890 |
| Granted: |
Dec. 20, 1890 |
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Patent Pictures:
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John A. Miller patent Dec. 20, 1890 -edited from Canadian Patents Database and Canadian Patent Office Record |
CIPO Data
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Stan Schulz
35,643 in Canadian Patents Database
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Description: |
| The key feature of the patent is sockets with larger sizes at the opening, and smaller sizes within. The principle could apply to "box end" wrenches as well as detachable sockets.
Corresponding U.S. patent 445,451 was granted Jan. 27, 1891. Both patent dates were noted prominently in advertising. Corresponding British patent GB-189104362 was registered March 11, 1891.
Malleable iron "carriage wrenches" in a range of sizes were produced based on this patent. Miller also advertised a ratchet wrench. |
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