Assignee
ALVIN G & CO
US·3 granted patents·22 citations·filing 1992–1992
Technology mixA63F3
Top patents by PatentIndex Score
3 records- 0141US5238248AScoring mechanism for a pinball machineALVIN G & CO·Filed 1992·Granted Aug 24, 1993·11 cites·17 claims
- 0233US5324034AImpact conveying flipper buttonALVIN G & CO·Filed 1992·Granted Jun 28, 1994·6 cites·39 claims
- 0331US5330183AImpact conveying flipper buttonALVIN G & CO·Filed 1992·Granted Jul 19, 1994·5 cites·17 claims
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