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US Patent: 1,246,000
Wrench
Patentee:
Robert B. Ferguson (exact or similar names) - Los Angeles, CA

USPTO Classifications:
81/315, 81/396, 81/427, 81/427.5

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : pipe and nut combination wrenches

Assignees:
Universal Tool Co. - Los Angeles, CA

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Feb. 20, 1917
Granted: Nov. 06, 1917

Patent Pictures: [ 1 | 2 ]
U.S. patent 1,246,000 - edited image
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Description:
Screw adjustable wrench with the movable jaw and shaft holding the adjustment worm able to swing in relation to the frame / handle. When used as a pipe wrench, a tight hand grip would allow the wrench to turn pipe in either direction. A modified form of this design which received patent no. 1,301,674 was produced.

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