Patentverwertungs-und Finanzierungsgesellschaft SERANIA AG

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4813673 Rapid loading and distribution apparatus for bowling pinsExpiredDec 21, 87Mar 21, 89[A63D]
4509752 Returned bowling ball lifting apparatusExpiredSep 08, 83Apr 09, 85[A63D]
4448415 Bowling pin sweeper moving apparatusExpiredJun 30, 82May 15, 84[A63D]
4356987 Support clip for electrical conductors or tubesExpiredApr 27, 81Nov 02, 82[F16L]
4189147 Rifle target moving apparatusExpiredNov 04, 77Feb 19, 80[F41J]

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