Assignee
RIVERCROSS LEARNING CORP
3 granted patents·33 citations·filing 1980–1982
Top patents by PatentIndex Score
3 records- 0153US4310318AElectronic gameRIVERCROSS LEARNING CORP·Filed 1980·Granted Jan 12, 1982·13 cites·11 claims
- 0240US4397417AFolder for couponsRIVERCROSS LEARNING CORP·Filed 1980·Granted Aug 9, 1983·14 cites·9 claims
- 0335US4432733AAmusement and educational gameRIVERCROSS LEARNING CORP·Filed 1982·Granted Feb 21, 1984·6 cites·5 claims
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