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US Patent: 200,175
Pipe-Wrench
Patentee:
Charles Carson Coleman (exact or similar names) - Honolulu, Hawaiian Islands

USPTO Classifications:
81/91.2

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches
wrenches : pipe wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Jno. L. Boone
Geo. H. Strong
C. N. Spencer
John I. Porter

Patent Dates:
Applied: Dec. 29, 1877
Granted: Feb. 12, 1878

Patent Pictures:
Charles C. Coleman patent February 12, 1878
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Description:
The patent is for the links connected to a single handle. This type of grip would adjust to a fairly narrow range of sizes. The locale is notable; the Hawaiian Islands were an independent country in the 1870s.

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