CA Patent: CA-33,192
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| Pipe Wrench
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Patentees:
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| Richard James Robbins (exact or similar names) - Suspension Bridge, NY |
| Cornelius W. Graham (exact or similar names) - Buffalo, NY |
| Edward T. Smith (exact or similar names) - Buffalo, NY |
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Patent Dates:
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| Applied: |
Nov. 02, 1889 |
| Granted: |
Dec. 19, 1889 |
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Patent Pictures:
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Richard J. Robbins patent Dec. 19, 1889 - edited from Canadian Patents Database |
CIPO Data
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Stan Schulz
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Description: |
| Compound leverage tongs type wrench.
Produced by Graham Vise Wrench Co. and successor company Graham, Bailey & Co. of Buffalo, NY.
Parallel U.S. patent no. 416,500 was granted Dec. 3, 1889, and British patent GB-188919421 was registered Dec. 3, 1889.
Graham and Smith are assignees in the U.S. patent and listed in the British patent as well. See the DATAMP entry for the U.S. patent to see a humorous Aug. 1890 ad for the wrench. |
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