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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US489663210 Oct 198530 Jan 1990Unsymmetrical free piston engine
US69452021 Nov 200420 Sep 2005Denso CorporationFree piston engine and power generation system therewith
US71595446 Oct 20059 Jan 2007Internal combustion engine with variable displacement pistons