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US Patent: 52,444
Improvement in Ratchet-Wrenches
Patentee:
William Pirsson - Newark, NJ

USPTO Classifications:
81/61

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Henry T. Brown
J. W. Coombs

Patent Dates:
Granted: Feb. 06, 1866

Patent Pictures:
William Pirsson Pat. Feb. 6, 1866
USPTO pdf tiff
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Description:
The patent is for interchangeable socket heads for a ratchet wrench which are held in place by a lip on the pawl engaging a rim on the socket.

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