Assignee
WILLIAMS ELECTRONICS GAMES INC
US·84 granted patents·8,409 citations·filing 1986–1999
Top patents by PatentIndex Score
84 records- 0198USD408366SCombined flipper switch and four-way switchWILLIAMS ELECTRONICS GAMES INC·Filed 1998·Granted Apr 20, 1999·146 cites·1 claims
- 0297USD335150STrigger handle switch for pinball type gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1991·Granted Apr 27, 1993·117 cites·1 claims
- 0396USD352738SPinball game cabinetWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted Nov 22, 1994·148 cites·1 claims
- 0496US5357104AOpto-leaf switch for pinball games having an interrupter means mounted on a leaf spring actuator armWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted Oct 18, 1994·116 cites·4 claims
- 0593US5257179AAudit and pricing system for coin-operated gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1991·Granted Oct 26, 1993·340 cites·3 claims
- 0693US5091677ALighting control system for pinball gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1991·Granted Feb 25, 1992·121 cites·7 claims
- 0792US4861037APinball runway and scoring featureWILLIAMS ELECTRONICS GAMES INC·Filed 1988·Granted Aug 29, 1989·132 cites·6 claims
- 0891US5074558AMatrix address decoder for pinball gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1990·Granted Dec 24, 1991·117 cites·19 claims
- 0990US5123647AInteractive playfield feature for pinball gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1991·Granted Jun 23, 1992·147 cites·17 claims
- 1089US5110120ABack box latch for pinball gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1991·Granted May 5, 1992·134 cites·4 claims
- 1189US4981298ABall diverter playfield feature for pinball machinesWILLIAMS ELECTRONICS GAMES INC·Filed 1989·Granted Jan 1, 1991·132 cites·14 claims
- 1288US5533726AMagnetic crane for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1994·Granted Jul 9, 1996·132 cites·10 claims
- 1388US5322283ARotary ball receptacle for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted Jun 21, 1994·150 cites·15 claims
- 1488US5297793AAutomatic flipper control circuit for pinball gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1992·Granted Mar 29, 1994·122 cites·16 claims
- 1588US5193807APinball game cabinetWILLIAMS ELECTRONICS GAMES INC·Filed 1992·Granted Mar 16, 1993·136 cites·15 claims
- 1688US4766541AApparatus for generating interactive video game playfield environmentsWILLIAMS ELECTRONICS GAMES INC·Filed 1987·Granted Aug 23, 1988·76 cites·2 claims
- 1787US5465963AHeight adjustable pinball game cabinetWILLIAMS ELECTRONICS GAMES INC·Filed 1994·Granted Nov 14, 1995·126 cites·1 claims
- 1887US5415402AMagnetic ball-walker for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1994·Granted May 16, 1995·119 cites·16 claims
- 1987US5351954AMagnetic ball carrier for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted Oct 4, 1994·125 cites·8 claims
- 2087US5016876AVideo display co-processor for use in a video gameWILLIAMS ELECTRONICS GAMES INC·Filed 1988·Granted May 21, 1991·77 cites·20 claims
- 2186US5415403AMagnetic ball lock for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1994·Granted May 16, 1995·123 cites·7 claims
- 2286US5383663APlayer controlled dump ramp for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted Jan 24, 1995·125 cites·15 claims
- 2386US5358241AHelical monorail ramp for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted Oct 25, 1994·132 cites·7 claims
- 2486US5350174ABelow the playfield ball delivery system for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted Sep 27, 1994·121 cites·20 claims
- 2586US5120058AMultiple path ball ramp for pinball gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1991·Granted Jun 9, 1992·131 cites·8 claims
- 2686US4763256ASystem to detect and bypass inoperative game features in an amusement deviceWILLIAMS ELECTRONICS GAMES INC·Filed 1986·Granted Aug 9, 1988·49 cites·10 claims
- 2785US5890715ALinkable pinball machineWILLIAMS ELECTRONICS GAMES INC·Filed 1997·Granted Apr 6, 1999·146 cites·15 claims
- 2885US5516103ADual function drop target for pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1995·Granted May 14, 1996·143 cites·6 claims
- 2985US5417423AMultiple kicker ramp for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1994·Granted May 23, 1995·117 cites·7 claims
- 3085US5316303AHolographic display for pinball gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted May 31, 1994·157 cites·8 claims
- 3184US6158737APlayfield assembly for a pinball-machineWILLIAMS ELECTRONICS GAMES INC·Filed 1999·Granted Dec 12, 2000·138 cites·25 claims
- 3284US6155565AMethod and kit retrofitting a pinball machineWILLIAMS ELECTRONICS GAMES INC·Filed 1999·Granted Dec 5, 2000·130 cites·20 claims
- 3384US6000697ADisplay for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1998·Granted Dec 14, 1999·135 cites·19 claims
- 3484US5720480ADisplay panel for a pinball machineWILLIAMS ELECTRONICS GAMES INC·Filed 1996·Granted Feb 24, 1998·134 cites·17 claims
- 3584US5494286ABall advancing device for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1994·Granted Feb 27, 1996·114 cites·13 claims
- 3684US5358243ABall trough for pinball gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted Oct 25, 1994·119 cites·9 claims
- 3784US5226653AMultilevel play feature for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1992·Granted Jul 13, 1993·131 cites·9 claims
- 3883US6199861B1Method and kit for retrofitting a pinball machineWILLIAMS ELECTRONICS GAMES INC·Filed 1999·Granted Mar 13, 2001·137 cites·48 claims
- 3983US6047962AAmusement game with pinball playfield and combined flipper/four-way switchWILLIAMS ELECTRONICS GAMES INC·Filed 1998·Granted Apr 11, 2000·133 cites·21 claims
- 4083US5632482AVertically disposed multi-level pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1995·Granted May 27, 1997·135 cites·12 claims
- 4183US5405144ATilting play feature for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1994·Granted Apr 11, 1995·116 cites·9 claims
- 4282US6164644AMethod of modifying electronics contained in a controller box of a pinball machineWILLIAMS ELECTRONICS GAMES INC·Filed 1999·Granted Dec 26, 2000·126 cites·32 claims
- 4382US6135449AMounting mechanism for a playfield of a pinball machineWILLIAMS ELECTRONICS GAMES INC·Filed 1999·Granted Oct 24, 2000·123 cites·19 claims
- 4482US5944309AIlluminable ramp assembly for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1998·Granted Aug 31, 1999·128 cites·30 claims
- 4582US5833236AWrecking ball play feature for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1997·Granted Nov 10, 1998·125 cites·13 claims
- 4682US5806851AInteractive play for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1997·Granted Sep 15, 1998·131 cites·27 claims
- 4782US5664777ARotary ball storage and discharge device for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1995·Granted Sep 9, 1997·128 cites·17 claims
- 4882US5580052ARotating magnetic box play feature for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1995·Granted Dec 3, 1996·125 cites·6 claims
- 4982US5511783ABall momentum transfer play feature for a pinball gameWILLIAMS ELECTRONICS GAMES INC·Filed 1995·Granted Apr 30, 1996·125 cites·4 claims
- 5082US5358242ABall storage device for pinball gamesWILLIAMS ELECTRONICS GAMES INC·Filed 1993·Granted Oct 25, 1994·123 cites·10 claims
Showing the top 50 of 84 patent records by PatentIndex Score.
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