US Patent: 1,301,674


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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:

Robert B. Ferguson, Trustee - Los Angeles, CA

Manufacturer:

Unknown

Witnesses:

none listed

Patent Dates:
Applied:	Jul. 30, 1918
Granted:	Apr. 22, 1919

Patent Pictures: [ 1 | 2 ]

U.S. patent 1,301,674 - edited image

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U.S. Patent 1,301,674 in ESPACENET

Description:

Wrench structure with screw adjustment and provision for the screw to be swung away from the adjustable jaw for quick adjustment. Described as a simplification of the design in patent 1,246,000.

A known example reported by an Australian collector is marked "PAT / 4-22-19 / COMBO." Subsequent research suggests a firm called Universal Tool Co. was formed at Los Angeles to produce the Ferguson wrench patent(s).