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CA Patent: CA-642,949
Rubber Mixer
Patentee: William A. Clark (exact or similar names) - Port Credit, Peel County, ON, Canada USPTO Classifications: Tool Categories: specialty machines : mixing machines Assignees: Goodyear Tire & Rubber Co. - Akron, Summit County., OH Skinner Engine Co. - Erie, Erie County, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: Jun. 12, 1962 Patent Pictures: CIPO Data Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Skinner Engine Co.

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