OPENFRAC
○ Dead · CancelledU.S. federal trademark · Serial No. 77935004 · Reg. No. 4010098
Filing Date
February 12, 2010
Registration Date
August 9, 2011
Class(es)
Class 001, Class 040
Goods & Services
well bore treatment fluids, namely, chemical additives for well stimulation
oil and gas well treatment
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