Inventor · disambiguated record
Marcel Alphonse Ostyn
Also filed as: OSTYN MARCEL A · OSTYN MARCEL ALPHONSE
3 granted patents·68 citations·filing 1981–1994
72Inventor score
Technology areasC10M
Top patents by PatentIndex Score
3 records- 0187US4370247AGear and axle oil compositionEXXON RESEARCH ENGINEERING CO·Filed 1981·Granted Jan 25, 1983·47 cites·12 claims
- 0251US5736490AAutomotive white-oil based lubricant compositionEXXON RESEARCH ENGINEERING CO·Filed 1994·Granted Apr 7, 1998·12 cites·11 claims
- 0343US6521570B2Automotive lubricantEXXONMOBIL RES & ENG CO·Filed 1993·Granted Feb 18, 2003·9 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →