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US Patent: 819,428
Pipe Wrench
Patentee:
Frank A. Headson - 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
USPTO pdf tiff
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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.

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