Sabet; Huschang

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5722361 Internal combustion engine with pistons that rotate about a center lineExpiredJan 24, 96Mar 03, 98[F02B]
5324182 Rotating piston internal combustion engine with ring gear elastically coupled to the housingExpiredSep 13, 91Jun 28, 94[F01C]
4370109 Rotary piston-internal combustion engine having a central axisExpiredFeb 23, 81Jan 25, 83[F02B, F01C]

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