CA Patent: CA-56,991
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| Wrench
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 28, 1897 |
| Granted: |
Aug. 11, 1897 |
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Patent Pictures:
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J. A. McCawley and G. W. Cobb patent August 11, 1897 edited from CANADIAN PATENT OFFICE RECORD |
CIPO Data
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Stan Schulz
56,991 in Canadian Patents Database
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Description: |
| The operating lever works a link that engages rack teeth on the movable jaw with rack teeth on the main shank, and tightens the grip.
In the corresponding U.S. patent no. 576,602 issued February 2, 1897, Joel A. McCawley is listed as patentee and Cobb as partial assignee. |
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