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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
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for McLachlan Gasoline Engine Co. Ltd.

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