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US Patent: 2,252,130
Thread rolling head
Patentees:
Merle W. Lamprecht (exact or similar names) - Rocky River, OH
Harold N. Anderson (exact or similar names) - Rocky River, OH

USPTO Classifications:
72/126

Tool Categories:
metalworking machines : metal threading machines : thread rolling machines

Assignees:
Hill Acme Co. - Cleveland, OH

Manufacturer:
Hill Acme Co. - Cleveland, OH

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 13, 1939
Granted: Aug. 12, 1941

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Hill Acme Co.

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