US Patent: 728,554


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 728,554

Wrench

Patentee:

Charles F. Doebler (exact or similar names) - New York, NY

USPTO Classifications:

81/102, 81/186

Tool Categories:

wrenches : pipe wrenches

Assignees:

John G. Doebler - New York, NY

Manufacturer:

U. S. Wrench Company - New York, NY

Witnesses:

C. A. Jarvis

E. Everitt Ellis

Ralph Julian Sachers

Patent Dates:
Applied:	Oct. 07, 1902
Granted:	May 19, 1903

Patent Pictures: [ 1 | 2 ]

Charles F. Doebler patent May 19, 1903

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz

Description:

The swinging frame pivots on lugs and the movable jaw rides between guiding ear extensions on the fixed jaw. The ads for the wrench emphasize it has no springs.