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US Patent: 686,577
Pipe Threading Machine
Patentee:
Bradford Borden - Warren, Trumbull County, OH

USPTO Classifications:
408/104, 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: Dec. 11, 1900
Granted: Nov. 12, 1901

Patent Pictures:
USPTO pdf tiff
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