Assignee
CUTLER BURTON
4 granted patents·46 citations·filing 1987–1990
Technology mixG09B2
Top patents by PatentIndex Score
4 records- 0165USD318435SRulerCUTLER BURTON·Filed 1989·Granted Jul 23, 1991·11 cites·1 claims
- 0255US5122062AElectronic teaching apparatusCUTLER BURTON·Filed 1990·Granted Jun 16, 1992·26 cites·4 claims
- 0334US4781598AInstructional apparatusCUTLER BURTON·Filed 1987·Granted Nov 1, 1988·6 cites·5 claims
- 0432USD323860SEducational game boardCUTLER BURTON·Filed 1989·Granted Feb 11, 1992·3 cites·1 claims
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