10 Utility Patents
#47 in Emeryville, CA
#53,516 in California
#200,408 in US
#407,520 in the World
Forward Citations = 193
Company Filing History:
Chevron U.s.a. Inc.
Schlumberger Technology Corporation

4. 1 out of 832,680 patents
Other
5. 1 out of 4

where one patent can have more than one assignee
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