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GB Patent: GB-188,919,421
Pipe Wrenches
Patentees:
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

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
Graham Vise Wrench Co. - Buffalo, NY
Graham, Bailey & Co. - Buffalo, NY

Witnesses:
none listed

Patent Dates:
Granted: Dec. 03, 1889

Patent Pictures:
Robbins, Graham & Smith patent registered Dec. 3, 1889 - edited from "Abridgments of Specifications"
Espacenet patent
Report data errors or omissions to steward Stan Schulz
GRAHAM PATENT VISE WRENCH (FLICKR)
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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