6 Utility Patents
#3,323 in Houston, TX
#22,198 in Texas
#333,466 in US
#686,462 in the World
Forward Citations = 146
Company Filing History:
Camco International, Inc.

Weatherford/lamb, Inc.
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#3,323 in Houston, TX
#22,198 in Texas
#333,466 in US
#686,462 in the World
Company Filing History:

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