Assignee
WILLIAMS ELECTRONICS INC
US·10 granted patents·897 citations·filing 1979–1988
Top patents by PatentIndex Score
10 records- 0197USD280835SVideo game cabinetWILLIAMS ELECTRONICS INC·Filed 1983·Granted Oct 1, 1985·128 cites·1 claims
- 0294US4606545ABi-level pinball machine providing interlevel ball travelWILLIAMS ELECTRONICS INC·Filed 1981·Granted Aug 19, 1986·146 cites·1 claims
- 0394USD280836SVideo game cabinetWILLIAMS ELECTRONICS INC·Filed 1983·Granted Oct 1, 1985·131 cites·1 claims
- 0494US4373725APinball machine having magnetic ball controlWILLIAMS ELECTRONICS INC·Filed 1980·Granted Feb 15, 1983·132 cites·11 claims
- 0592USD275772SAmusement game cabinetWILLIAMS ELECTRONICS INC·Filed 1983·Granted Oct 2, 1984·130 cites·1 claims
- 0686US4890833AApparatus for generating enhanced interactive video game playfield environmentsWILLIAMS ELECTRONICS INC·Filed 1988·Granted Jan 2, 1990·59 cites·9 claims
- 0786US4856785AOptical dual function joystickWILLIAMS ELECTRONICS INC·Filed 1983·Granted Aug 15, 1989·46 cites·7 claims
- 0878US4272649AProcessor controlled sound synthesizerWILLIAMS ELECTRONICS INC·Filed 1979·Granted Jun 9, 1981·22 cites·3 claims
- 0976US4685677AAutomatic replay control system and method for amusement devicesWILLIAMS ELECTRONICS INC·Filed 1986·Granted Aug 11, 1987·78 cites·9 claims
- 1071US4570158AHorizontal and vertical image inversion circuit for a video displayWILLIAMS ELECTRONICS INC·Filed 1983·Granted Feb 11, 1986·25 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →