CA Patent: CA-20,020
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Monkey Wrench Wilkinson's Monkey-wrench
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Patentees:
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Frederick Byron Wilkinson (exact or similar names) - London, ON Canada |
Leonard Wilkinson (exact or similar names) - London, ON Canada |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jul. 30, 1884 |
Granted: |
Aug. 18, 1884 |
Patent Pictures:
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Leonard Wilkinson patent August 18, 1884 |
CIPO Data
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Stan Schulz Search Canadian Patents 1869-1894 20,020 in Canadian Patents Database
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Description: |
Quick adjust nut wrench where gripping teeth on the lower inner edge of the movable jaw engage rack teeth on the shank. A spring between the shank and the back portion of the movable jaw holds the adjustment.
Patent issued in name of executor of estate; inventor's occupation was Machinist. |
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