Inventor · disambiguated record
Francis H. Dulin
Also filed as: DULIN FRANCIS H
4 granted patents·35 citations·filing 1974–1990
75Inventor score
Top patents by PatentIndex Score
4 records- 0159US3968057AMethod for producing a semi-conductor bodyCHAMPION SPARK PLUG CO·Filed 1974·Granted Jul 6, 1976·12 cites·9 claims
- 0245US5028346ASemi-conducting ceramicCHAMPION SPARK PLUG CO·Filed 1989·Granted Jul 2, 1991·10 cites·24 claims
- 0343US4120829AElectrically semi-conducting ceramic bodyCHAMPION SPARK PLUG CO·Filed 1976·Granted Oct 17, 1978·8 cites·2 claims
- 0434US5082806ASemi-conducting ceramicCOOPER IND INC·Filed 1990·Granted Jan 21, 1992·5 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →