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US Patent: 765,007
Pipe Wrench
Frank A. Headson - Lafayette, IN

USPTO Classifications:

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench jaw components

Frank A. Headson - Lafayette, IN
Leo Pottlitzer - Lafayette, IN
Herman Pottlitzer - Lafayette, IN
Julius Pottlitzer - Lafayette, IN
Max Pottlitzer - Lafayette, IN

Headson Tool & Mfg. Co. - Lafayette, IN

John Enders
Geo. C. Davison
Anna L. Savore
Annie C Courtenay

Patent Dates:
Applied: Oct. 16, 1903
Granted: Jul. 12, 1904

Patent Pictures: [ 1 | 2 ]
Frank A Headson patent July 12, 1904
USPTO pdf tiff
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A link with a spring-loaded pawl connects the handle and movable jaw. Push the handle forward to tighten, relax the pawl to open the jaws.

Corresponding British patent GB-190415556 was registered July 12, 1904.

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