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US Patent: 471,381
Cam Cutter
Patentees: Zachary T. French (exact or similar names) - Boston, Suffolk County, MA William C. Meyer (exact or similar names) - Boston, Suffolk County, MA USPTO Classifications: 409/113 Tool Categories: metalworking machines : cam making machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: May 21, 1891 Granted: Mar. 22, 1892 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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