GB Patent: GB-188,919,421
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| Pipe Wrenches
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Patentees:
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| Henry Harris Lake (exact or similar names) - London, England |
| 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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| Granted: |
Dec. 03, 1889 |
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Patent Pictures:
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Robbins, Graham & Smith patent registered Dec. 3, 1889 - edited from "Abridgments of Specifications" |
Espacenet patent
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Stan Schulz
GRAHAM PATENT VISE WRENCH (FLICKR)
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Description: |
| British patent corresponding to U.S. patent 416,500 and Canadian patent CA-33,192. Produced in the U.S. as "GRAHAM's VISE WRENCH."
In keeping with British patent options of the time, H.H. Lake was a British patent agent; Robbins was the patentee for the U.S. patent, with Graham and Smith as assignees.
Note: Early British patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP represents the year of registration and the patent # (with leading zeros to make the number total nine digits). This patent is #19,421 of the year 1889. |
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