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US Patent: 1,372,045
Valve grinder
Patentee: Russell G. Sedgewick (exact or similar names) - Toronto, ON Canada USPTO Classifications: 310/83, 408/117, 408/28, 451/117, 74/70, 74/75, 74/81 Tool Categories: handheld power tools trade specific : vehicle repairer : vehicle mechanic Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 01, 1919 Granted: Mar. 22, 1921 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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