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US Patent: 82,827
Wrench
Improvement in Keys for Hydrant-Cock
Patentee:
Patrick H. Griffin (exact or similar names) - Albany, NY

USPTO Classifications:
81/124.6

Tool Categories:
wrenches : wrench components : wrench sockets

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John H. Cahill
J. C. McClure

Patent Dates:
Granted: Oct. 06, 1868

Patent Pictures:
Patrick H. Griffin Pat. Oct. 6, 1868
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Description:
The device consists of a cast metal rectangular socket to fit the handle of a stop valve, combined with an entended shaft and a handle or wrench for the other end. The patented feature is to make the rectangular socket of cast metal.

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