21 Utility Patents
#690 in Houston, TX
#5,232 in Texas
#77,081 in US
#151,367 in the World
Forward Citations = 447
Company Filing History:

Dresser Industries, Inc.
Other
4. 1 out of 1
Sensorwise, Inc.
5. 1 out of 392
Western Atlas International, Inc.
where one patent can have more than one assignee
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