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US Patent: 2,685,219
Open-End Wrench Jaws Having Thrust and Pull Surfaces of Different Curvature
Patentee:
Fritz Diebold (exact or similar names) - Geneva, Romandy, Switzerland

USPTO Classifications:
81/119

Tool Categories:
wrenches : nut wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
New Britain Machine Co. - New Britain, Hartford County, CT

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 23, 1953
Granted: Aug. 03, 1954

Patent Pictures:
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Report data errors or omissions to steward Stan Schulz
"Vintage Machinery" entry for New Britain Machine Co.
Description:
Applied for in Switzerland, 31 Mar 1952.

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