11 Utility Patents
#1,679 in Houston, TX
#12,017 in Texas
#179,574 in US
#363,721 in the World
Forward Citations = 136
Company Filing History:
Dresser Industries, Inc.

Western Atlas International, Inc.
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#1,679 in Houston, TX
#12,017 in Texas
#179,574 in US
#363,721 in the World
Company Filing History:

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