Original Assignee D Napier and Son Ltd Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US272693A Inventor Halford Frank Bernard Current Assignee (The listed assignees may be inaccurate. Google Patents Four-stroke cycle internal combustion engineÄownload PDF Info Publication number US2214529A US2214529A US272693A US27269339A US2214529A US 2214529 A US2214529 A US 2214529A US 272693 A US272693 A US 272693A US 27269339 A US27269339 A US 27269339A US 2214529 A US2214529 A US 2214529A Authority US United States Prior art keywords bank cylinders cylinder adjacent crankshafts Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US2214529A - Four-stroke cycle internal combustion engine US2214529A - Four-stroke cycle internal combustion engine
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