7 Utility Patents
#4 in Saint-Chamond
#10,999 in France
#596,014 in the World
Forward Citations = 34
Company Filing History:
Elf France
Societe Nationale Elf Aquitaine

4. 1 out of 20
Elf-union
5. 1 out of 3
Societe Anonyme Elf France
where one patent can have more than one assignee
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