66 Utility Patents
#1 in Collinsville, OK
#54 in Oklahoma
#12,084 in US
#22,279 in the World
Forward Citations = 1,266
Company Filing History:
Schlumberger Technology Corporation

Halliburton Company
4. 4 out of 42

5. 2 out of 28
Dowell, a Division of Schlumberger Technology Corporation
where one patent can have more than one assignee
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