Inventor · disambiguated record
Larry M. Echelberger
Also filed as: ECHELBERGER LARRY M
2 granted patents·13 citations·filing 1972–1975
53Inventor score
Files withMARATHON OIL CO2
Top patents by PatentIndex Score
2 records- 0158US4039485AIon exchange of metals from aqueous solutions using compositions of synthetic resins reacted with polyisocyanurate saltsMARATHON OIL CO·Filed 1975·Granted Aug 2, 1977·12 cites·10 claims
- 0221US4087456APurification of oleophilic hydrocarbon sulfonate product mixturesMARATHON OIL CO·Filed 1972·Granted May 2, 1978·1 cites·5 claims
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