Inventor
PATLA JAMES A
US4 patents
Patents
4 patentsUS6164644ADec 26, 2000
Method of modifying electronics contained in a controller box of a pinball machine
WILLIAMS ELECTRONICS GAMES INC126 citations97
US6158737ADec 12, 2000
Playfield assembly for a pinball-machine
WILLIAMS ELECTRONICS GAMES INC138 citations97
US6135449AOct 24, 2000
Mounting mechanism for a playfield of a pinball machine
WILLIAMS ELECTRONICS GAMES INC123 citations97
US6120021ASep 19, 2000
Lock-down bar release system for a pinball machine
WILLIAMS ELECTRONICS GAMES INC124 citations97