20 Utility Patents
#6 in Irigny
#2,229 in France
#168,707 in the World
Forward Citations = 243
Company Filing History:
Elf France

Elf Aquitaine Production
4. 3 out of 235
Societe Nationale Elf Aquitaine
5. 2 out of 20
Elf-union
where one patent can have more than one assignee
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