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US Patent: 1,438,991
Pipe cutter
Patentees: Howard D. Corwin (exact or similar names) - Jackson, MI William R. Fox (exact or similar names) - Jackson, MI USPTO Classifications: 451/421, 82/86 Tool Categories: metalworking machines : pipe cutting machines Assignees: Fox Machine Co. - Jackson, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 31, 1920 Granted: Dec. 19, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Fox Machine Co.

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