CA Patent: CA-44,935
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| Wrench
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Patentee:
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| Theodore C. Lippitt (exact or similar names) - Shanandoah, IA U.S.A. |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Dec. 20, 1893 |
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Patent Pictures:
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Theodore C. Lippitt patent Dec. 20, 1893 edited from CANADIAN PATENT OFFICE RECORD |
CIPO Data
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Stan Schulz
44,935 in Canadian Patents Database
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Description: |
| Screw adjustment. The parallelogram linkage between the main shank and secondary shank keeps the jaw faces parallel. The patent includes supplemental pipe jaws not shown in the CANADIAN PATENT OFFICE RECORD.
Corresponding U.S. patent no. 507,587 was issued Oct. 31, 1893. |
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