ALEXANDRIA, Va., Sept. 15 -- The United States Patent and Trademark Office (USPTO) published about the trademark 'WATERWOLF' in its latest official gazette. The trademark application with the serial number 86418460 was filed on Oct. 8, 2014.

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Goods and Services: 11 - Water treatment equipment, namely, a packaged system consisting of hydrocyclones and progressive cavity pumps

International/US Class(es): 11

Mark Drawing Code: 4 - STANDARD CHARACTER MARK

Current Owner(s): National Oilwell Varco, L.P. 10353 Richmond Avenue HOUSTON TX Texas 77042 13 LIMITED PARTNERSHIP

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