Inventor · disambiguated record
Mark D. Ritchie
Also filed as: RITCHIE MARK D · RITCHIE MARK DEAN
6 granted patents·388 citations·filing 1991–1995
86Inventor score
Top patents by PatentIndex Score
6 records- 0188US5322283ARotary ball receptacle for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted Jun 21, 1994·150 cites·15 claims
- 0283US5405144ATilting play feature for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1994·Granted Apr 11, 1995·116 cites·9 claims
- 0370US5137278AAmusement device with trading card dispenserWILLIAMS ELECTRONICS GAMES INC·Filed 1991·Granted Aug 11, 1992·66 cites·5 claims
- 0465US5149093AAmusement device with trading card dispenserWILLIAMS ELECTRONICS GAMES INC·Filed 1992·Granted Sep 22, 1992·52 cites·5 claims
- 0528US5655770APinball solenoid power control systemCAPCOM COIN OP INC·Filed 1995·Granted Aug 12, 1997·2 cites·27 claims
- 0624US5497989ABall trough for pinball gamesCAPCOM COIN OP INC·Filed 1995·Granted Mar 12, 1996·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →