13 Utility and 1 Design Patents
#1,344 in Houston, TX
#9,594 in Texas
#142,491 in US
#286,173 in the World
rank by utility patentsForward Citations = 162
Company Filing History:
Schlumberger Technology Corporation
Other
Sondex Wireline Limited
4. 2 out of 1,238
Dresser Industries, Inc.
where one patent can have more than one assignee
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