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US Patent: 443,502
Pipe Threading Machine
Patentee:
Roderick P. Curtis (exact or similar names) - Southport, Fairfield County, CT

USPTO Classifications:
408/138, 408/238

Tool Categories:
metalworking machines : metal threading machines : pipe threading machines

Assignees:
Curtis & Curtis - Bridgeport, Fairfield County, CT

Manufacturer:
Curtis & Curtis - Bridgeport, Fairfield County, CT

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 28, 1890
Granted: Dec. 30, 1890

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Curtis & Curtis Co.

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