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US Patent: 478,121
Wrench
Patentees:
William Miller (exact or similar names) - Hillsdale, MI
William S. Duvall (exact or similar names) - Washington, DC

USPTO Classifications:
30/244, 7/134, 7/142, 81/176.1, 81/181, 81/98

Tool Categories:
wrenches : pipe wrenches

Assignees:
William Miller - Hillsdale, MI

Manufacturer:
Not known to have been produced

Witnesses:
B. S. Ober
John H. Siggers
J. A. Gallant
O. C., Stafford
Eugene S. Burgess
Patent Dates:
Applied: Mar. 03, 1892
Granted: Jul. 05, 1892

Patent Pictures:
William Miller and William S. Duvall patent July 5, 1892
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Stan Schulz
Description:
Curved jaw tongs with a hook spanner on the back of the jaw on the "major" half.

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