Inventor · disambiguated record
John E. Marhanka
Also filed as: MARHANKA JOHN E
4 granted patents·100 citations·filing 1981–1999
80Inventor score
Top patents by PatentIndex Score
4 records- 0171US6203773B1Low temperature mineralization of aluminaALCOA INC·Filed 1999·Granted Mar 20, 2001·35 cites·16 claims
- 0271US4356271ANoncollapsible ceramic foamALUMINUM CO OF AMERICA·Filed 1981·Granted Oct 26, 1982·24 cites·11 claims
- 0369US5149520ASmall sized alpha alumina particles and plateletsALUMINUM CO OF AMERICA·Filed 1989·Granted Sep 22, 1992·21 cites·20 claims
- 0464US5225229AAluminum hydroxide productionALUMINUM CO OF AMERICA·Filed 1990·Granted Jul 6, 1993·20 cites·14 claims
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