20 Utility Patents
#767 in Houston, TX
#5,817 in Texas
#85,688 in US
#168,887 in the World
Forward Citations = 357
Company Filing History:
Geo Space Corporation
Litton Resources Systems, Inc.
Western Atlas International, Inc.
4. 2 out of 17
Mark Products, Inc.
5. 1 out of 1
I/o Exploration Products
where one patent can have more than one assignee
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