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CA Patent: CA-148,160
Rotary valve for engines
Patentees: William Ralph Ballantine (exact or similar names) - Toronto, ON Canada John Campbell McLachlan (exact or similar names) - Toronto, ON Canada USPTO Classifications: Tool Categories: propulsion and energy : internal combustion engines : internal combustion engine valves Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: May 27, 1913 Patent Pictures: CIPO Data Espacenet patent Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for McLachlan Gasoline Engine Co. Ltd.

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