CA Patent: CA-43,855
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| Monkey Wrench
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Patentee:
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| Edwin Sylvester Pratt (exact or similar names) - Parry Sound, ON Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 01, 1893 |
| Granted: |
Aug. 07, 1893 |
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Patent Pictures:
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1 | 2
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Edwin S. Pratt patent August 7, 1893 |
CIPO Data
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Search Canadian Patents 1869-1894
43,855 in Canadian Patents Database
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Description: |
| The adjusting screw is mounted on a pivoting plate so that it can be moved into and out of engagement with the rack teeth on the shank.
Pratt's occupation is given as Engineer. Corresponding U.S. patent no. 502,997 was issued August 8, 1893. |
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