US Patent: 1,504,401 - Combined Pliers and Wrench


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US Patent: 1,504,401

Combined Pliers and Wrench

Patentees:

William C. Tull (exact or similar names) - Stanton, NE

Roy J. Bristol (exact or similar names) - Stanton, NE

USPTO Classifications:

81/379, 81/402

Tool Categories:

wrenches : pliers type wrenches : locking pliers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Mar. 30, 1923
Granted:	Aug. 12, 1924

Patent Pictures:

Tull and Bristol Pat. Aug. 12, 1924

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Description:

The adjustment is a nut on a threaded shaft at the end of the handle. A loop-ended link bears against the adjusting nut. This patent evolved into Tull & Bristol's 1926 patent (no. 1,568,934).