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US Patent: 363,291
Dental Engine
Patentee: William W. Grant (exact or similar names) - Athens, McMinn County, TN USPTO Classifications: 433/108, 433/113 Tool Categories: specialty machines : dental apparatus Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 15, 1886 Granted: May 17, 1887 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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