8 Utility Patents
#575 in Berkeley, CA
#66,686 in California
#254,516 in US
#521,303 in the World
Forward Citations = 62
Company Filing History:
Schlumberger Technology Corporation


4. 1 out of 1
Westerngreco L.l.c.
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#575 in Berkeley, CA
#66,686 in California
#254,516 in US
#521,303 in the World
Company Filing History:


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