WILLIAMS ELECTRONICS GAMES, INC.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A63F CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; GAMES NOT OTHERWISE PROVIDED FOR 376
 
  
 
G07F COIN- FREED OR LIKE APPARATUS 256
 
  
 
A63B APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT 166
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5186462 Oscillating ball cannonFeb 25, 92Feb 16, 93[A63B]
5181722 Movable optical target bank for a rolling ball gameMar 06, 92Jan 26, 93[A63F]
5149093 Amusement device with trading card dispenserJan 09, 92Sep 22, 92[G07F]
5137278 Amusement device with trading card dispenserMar 14, 91Aug 11, 92[G07F]
5123647 Interactive playfield feature for pinball gamesApr 26, 91Jun 23, 92[A63F]
5120058 Multiple path ball ramp for pinball gamesAug 28, 91Jun 09, 92[A63F]
5091677 Lighting control system for pinball gamesFeb 11, 91Feb 25, 92[H05B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6113097 Method of replacing a playfield of a pinball machineExpiredJan 14, 99Sep 05, 00[A63D]
5913516 Multimode target with variable trajectory ball rampExpiredFeb 02, 98Jun 22, 99[A63F]
D352738 Pinball game cabinetExpiredJul 23, 93Nov 22, 94[]
D335150 Trigger handle switch for pinball type gamesExpiredSep 11, 91Apr 27, 93[]
5193807 Pinball game cabinetExpiredMar 10, 92Mar 16, 93[A47B, A63F]
5149094 Player-operated control system for pinball gamesExpiredAug 05, 91Sep 22, 92[A63F]
5120059 Rotary serial play featureExpiredJan 31, 91Jun 09, 92[A63F]
5110120 Back box latch for pinball gamesExpiredJun 10, 91May 05, 92[A47B, A63D]
5074558 Matrix address decoder for pinball gamesExpiredDec 10, 90Dec 24, 91[A63F]
5016876 Video display co-processor for use in a video gameExpiredOct 14, 88May 21, 91[A63F, G09G]
4991846 Variable position target assemblyExpiredOct 23, 89Feb 12, 91[A63F]
4981298 Ball diverter playfield feature for pinball machinesExpiredOct 06, 89Jan 01, 91[A63D]
4943061 Multi-position drop targetExpiredAug 22, 89Jul 24, 90[A63B]
4892309 Two and four position target assemblyExpiredDec 14, 88Jan 09, 90[A63F]
4865322 Game cabinetExpiredAug 25, 88Sep 12, 89[A47B, A63D]
4861037 Pinball runway and scoring featureExpiredSep 01, 88Aug 29, 89[A63D]
4856785 Optical dual function joystickExpiredMar 01, 83Aug 15, 89[A63B]
4848748 Ball lifter mechanismExpiredAug 15, 88Jul 18, 89[A63F, A63D]
4790536 Parallel coil pin ball flipper solenoidExpiredFeb 02, 88Dec 13, 88[A63F]
4773646 Moving target assemblyExpiredJan 28, 87Sep 27, 88[A63D, A63B]

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