5 Utility Patents
#3,931 in Houston, TX
#25,613 in Texas
#385,553 in US
#799,370 in the World
Forward Citations = 104
Company Filing History:
Mcevoy Oilfield Equipment Co.

Gray Tool Company
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#3,931 in Houston, TX
#25,613 in Texas
#385,553 in US
#799,370 in the World
Company Filing History:

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