20 Utility Patents
#766 in Houston, TX
#5,803 in Texas
#85,510 in US
#168,458 in the World
Forward Citations = 421
Company Filing History:
Weatherford/lamb, Inc.
Pdti Holdings, LLC
Other
4. 2 out of 226
Camco International, Inc.
5. 1 out of 889

where one patent can have more than one assignee
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