Assignee
BRITTAN JOHN L
3 granted patents·41 citations·filing 1976–1991
Top patents by PatentIndex Score
3 records- 0161US4048484ADigital grade averagerBRITTAN JOHN L·Filed 1976·Granted Sep 13, 1977·12 cites·16 claims
- 0251US4715011AGrade averaging calculatorBRITTAN JOHN L·Filed 1984·Granted Dec 22, 1987·18 cites·30 claims
- 0337US5233552AGrade averaging calculatorBRITTAN JOHN L·Filed 1991·Granted Aug 3, 1993·11 cites·14 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →