US Patent: 819,428 - Pipe Wrench


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US Patent: 819,428

Pipe Wrench

Patentee:

Frank A. Headson (exact or similar names) - Lafayette, IN

USPTO Classifications:

81/179

Tool Categories:

wrenches : pipe wrenches

wrenches : wrench components : wrench jaw components

Assignees:

None

Manufacturer:

Headson Tool & Mfg. Co. - Lafayette, IN

Witnesses:

Herman Pottlitzor

Sigmund Pisinger

Patent Dates:
Applied:	Mar. 02, 1905
Granted:	May 01, 1906

Patent Pictures: [ 1 | 2 | 3 ]

Frank A. Headson patent May 1, 1906

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Description:

The patent addresses the solid frame for the adjusting ring, the loose fit of the adjusting ring and jaw, and details of a moveable gripping jaw face on the fixed jaw.

Marketed as the HEADSON NEVER SLIP WRENCH.