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US Patent: 35,740
Improvements in Wrenches
George B. Phillips - Newark, NJ

USPTO Classifications:
81/174, 81/185.1

Tool Categories:
wrenches : wrench components : wrench adjustment locks
wrenches : wrench components : wrench sockets
wrenches : wrench adjustment types : screw adjust wrenches

John R. Crockett - Newark, NJ

Not known to have been produced

J. Dennis, Jr.
W. Thompson

Patent Dates:
Granted: Jun. 24, 1862

Patent Pictures:
George B. Phillips Pat. June 24, 1862
USPTO pdf tiff
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The movable jaw is adjusted by a threaded sleeve. The patented features are a jamb nut to hold the adjustment and a socket in the wrench head to hold detachable sockets and screwdriver bits.

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