Inventor
POPADIUK JOHN A
US9 patents
⚠️ This page may combine multiple inventors who share the name “POPADIUK JOHN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WILLIAMS ELECTRONICS GAMES INC
7 patentsUS6000697ADec 14, 1999
Display for a pinball game
WILLIAMS ELECTRONICS GAMES INC135 citations97
US5944309AAug 31, 1999
Illuminable ramp assembly for a pinball game
WILLIAMS ELECTRONICS GAMES INC128 citations97
USD408366SApr 20, 1999
Combined flipper switch and four-way switch
WILLIAMS ELECTRONICS GAMES INC146 citations97
US5580052ADec 3, 1996
Rotating magnetic box play feature for a pinball game
WILLIAMS ELECTRONICS GAMES INC125 citations97
US5511783AApr 30, 1996
Ball momentum transfer play feature for a pinball game
WILLIAMS ELECTRONICS GAMES INC125 citations97
US6047962AApr 11, 2000
Amusement game with pinball playfield and combined flipper/four-way switch
WILLIAMS ELECTRONICS GAMES INC133 citations96
US6059288AMay 9, 2000
Retractable ball cage for a rolling ball game
WILLIAMS ELECTRONICS GAMES INC6 citations57