Inventor

COLDEBELLA MARK J

US3 patents

⚠️ This page may combine multiple inventors who share the name “COLDEBELLA MARK J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WILLIAMS ELECTRONICS GAMES INC

1 patent

US5074558ADec 24, 1991

Matrix address decoder for pinball games

WILLIAMS ELECTRONICS GAMES INC117 citations93

GAMESTAR INC

1 patent

US5494285AFeb 27, 1996

Pinball playfield roller assembly

GAMESTAR INC9 citations69

(unassigned)

1 patent

US5772205AJun 30, 1998

System to detect inoperative switches in an amusement device

7 citations62