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US Patent: 407,413
Pipe Thread Cutting Machine
Patentees:
Thomas McFassen - Youngstown, Mahoning County, OH
David Rosser - Youngstown, Mahoning County, OH

USPTO Classifications:
408/106, 470/176, 470/67

Tool Categories:
metalworking machines : pipe threading machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jun. 23, 1888
Granted: Jul. 23, 1889

Patent Pictures:
USPTO pdf tiff
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