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Inventor

RITCHIE STEVEN S

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

WILLIAMS ELECTRONICS INC

3 patents
US4685677AAug 11, 1987

Automatic replay control system and method for amusement devices

WILLIAMS ELECTRONICS INC78 citations95
US4606545AAug 19, 1986

Bi-level pinball machine providing interlevel ball travel

WILLIAMS ELECTRONICS INC146 citations95
US4373725AFeb 15, 1983

Pinball machine having magnetic ball control

WILLIAMS ELECTRONICS INC132 citations94

WILLIAMS ELECTRONICS GAMES INC

1 patent
USD335150SApr 27, 1993

Trigger handle switch for pinball type games

WILLIAMS ELECTRONICS GAMES INC117 citations94

(unassigned)

1 patent
US6932703B1Aug 23, 2005

Method and apparatus for a slot machine gaming device simulating a bank robbery

30 citations89