ALEXANDRIA, Va., Sept. 22 -- The United States Patent and Trademark Office (USPTO) published about the trademark 'WELLBORE SHIELDING' in its latest official gazette. The trademark application with the serial number 86685111 was filed on Jul. 7, 2015.
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Goods and Services: 1 - chemical additives for oil well drilling fluids
International/US Class(es): 1
Mark Drawing Code: 4 - STANDARD CHARACTER MARK
Current Owner(s): DORF KETAL WELL SERVICES, LLC 11490 Westheimer Rd., Ste 300 Houston TX Texas 77077 16 LIMITED LIABILITY COMPANY
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