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NO BLOK

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U.S. federal trademark · Serial No. 75560258 · Reg. No. 2292677

Mark

NO BLOK

Status

Registered

Serial Number

75560258

Registration No.

2292677

Filing Date

September 28, 1998

Registration Date

November 16, 1999

Class(es)

Class 001

Owners

Halliburton Energy Services, Inc.

03 · Carrollton, TX, US

Dresser Industries, Inc.

03 · Carrollton, TX, US

Dresser Industries, Inc.

03 · Carrollton, TX, US

Dresser Industries, Inc.

03 · Carrollton, TX, US

Goods & Services

drilling fluid additive, namely, a blend of chemical agents designed for prevention of brine-oil emulsions during well completion operations in the drilling of oil and gas wells

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Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.