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US Patent: 274,281
Screw Cutting Head
Patentee:
Ira Culver (exact or similar names) - Cleveland, Cuyahoga County, OH

USPTO Classifications:
279/71, 408/174

Tool Categories:
metalworking tools : taps and dies

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 07, 1882
Granted: Mar. 20, 1883

Patent Pictures:
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