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Perfpro Trademarks
PERFPRO
Computer software used for perforation simulation processes for oil and gas well drilling operations
Cancelled
·
September 14, 2007
·
77279440
·
PERFPRO
Providing oil and gas well services, namely, optimizing the perforation and design of a reservoir
Cancelled
·
October 25, 2000
·
76153710
·
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