Inventor · disambiguated record
Josefina M. Dumdum
Also filed as: DUMDUM JOSEFINA M
3 granted patents·34 citations·filing 1988–1988
70Inventor score
Files withUNION OIL CO3
Top patents by PatentIndex Score
3 records- 0162US4908142AExtreme pressure lubricating compositions and method of using sameUNION OIL CO·Filed 1988·Granted Mar 13, 1990·16 cites·84 claims
- 0260US4908143ALubricating compositions and method of using sameUNION OIL CO·Filed 1988·Granted Mar 13, 1990·15 cites·63 claims
- 0336US5200098ACerium-containing lubricating compositionsUNION OIL CO·Filed 1988·Granted Apr 6, 1993·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →