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US Patent: 2,259,640
Thread Forming Apparatus
Patentee:
Joseph H. Hoern (exact or similar names) - Saginaw, Saginaw County, MI

USPTO Classifications:
72/88

Tool Categories:
metalworking machines : metal threading machines

Assignees:
Eaton Mfg. Co. - Cleveland, Cuyahoga County, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 18, 1937
Granted: Oct. 21, 1941

Patent Pictures:
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