Assignee
ELLINGSEN O & CO
NO·3 granted patents·67 citations·filing 1986–1996
Top patents by PatentIndex Score
3 records- 0158US4884634AProcess for increasing the degree of oil extractionELLINGSEN O & CO·Filed 1986·Granted Dec 5, 1989·28 cites·4 claims
- 0248US4923457AArtificial gland for implantation in a human bodyELLINGSEN O & CO·Filed 1986·Granted May 8, 1990·36 cites·2 claims
- 0324US6086655AProduction of metal such as aluminum, magnesium, silicon from metal oxide compoundsELLINGSEN O & CO·Filed 1996·Granted Jul 11, 2000·3 cites·5 claims
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