CA Patent: CA-20,659
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| Wrench
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Patentee:
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| Dwight Morse De Silva (exact or similar names) - Corning, NY |
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Patent Dates:
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| Applied: |
May 30, 1884 |
| Granted: |
Nov. 29, 1884 |
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Patent Pictures:
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DeSILVA's Wrench patent no. 20,659 from 1884 CANADIAN PATENT OFFICE RECORD |
CIPO Data
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Stan Schulz
20,659 in Canadian Patents Database
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Description: |
| Screw and cam adjustable alligator pipe wrench. This is the Canadian patent for the design marketed as the EUREKA pipe tongs.
Patent number is mis-printed in the Canadian Patent Office Record.
The DATAMP entry for the corresponding U.S. patent (no. 296,540) includes production information, etc. |
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