15 Utility Patents
#1,145 in Houston, TX
#8,346 in Texas
#124,037 in US
#248,103 in the World
Forward Citations = 456
Company Filing History:
Schlumberger Technology Corporation

Tomoseis, Inc.
4. 1 out of 1
Z-seis Corporation
5. 1 out of 21

where one patent can have more than one assignee
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