Assignee
MORTENSEN EDUCATIONAL PRODUCTS
US·2 granted patents·11 citations·filing 1985–1986
Technology mixG09B2
Top patents by PatentIndex Score
2 records- 0135US4645461AMethod for structurally differentiating polynomial functionsMORTENSEN EDUCATIONAL PRODUCTS·Filed 1986·Granted Feb 24, 1987·10 cites·8 claims
- 0222US4632661AMethods for structurally performing differential calculusMORTENSEN EDUCATIONAL PRODUCTS·Filed 1985·Granted Dec 30, 1986·1 cites·9 claims
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