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on 04 Jun 2012
DRESSER INDUSTRIES, INC.
72230720 · 20 Oct 1965
021
TRUE-ROTA,ROTARY PULSE GENERATORS,ROTARY PULSE GENERATORS,TRUE-ROTA
on 08 Dec 1994
INDRESCO INC.
74436543 · 17 Sep 1993
019
refractory material,refractory material
on 30 Jun 1994
INDRESCO INC.
74397531 · 28 May 1993
019
refractory material for repairing and lining industrial heating and me...
on 08 Mar 1994
DRESSER INDUSTRIES, INC.
73597022 · 05 May 1986
040
OIL AND GAS WELL PERFORATION SERVICES,OIL AND GAS WELL PERFORATION SER...
on 03 Jan 1994
DRESSER INDUSTRIES, INC.
73627823 · 30 Oct 1986
001
CHEMICAL ADDITIVE FOR DRILLING FLUIDS USED IN OIL AND GAS WELL DRILLIN...
on 27 Dec 1993
DRESSER INDUSTRIES, INC.
73627822 · 30 Oct 1986
001
CHEMICAL ADDITIVE FOR DRILLING FLUIDS USED IN OIL AND GAS WELL DRILLIN...
on 16 Aug 1993
DRESSER INDUSTRIES, INC.
73541221 · 03 Jun 1985
001
DRILLING FLUID ADDITIVE FOR TREATMENT OF WATER BASE DRILLING FLUIDS AS...
on 26 Jul 1993
DRESSER INDUSTRIES, INC.
73597043 · 05 May 1986
040
OIL AND GAS WELL PERFORATION SERVICES,OIL AND GAS WELL PERFORATION SER...
on 31 May 1993
HAM-COM, INC.
73543689 · 18 Jun 1985
035
HAMCON,ARRANGING AND CONDUCTING CONVENTIONS AND EXHIBITIONS IN THE AMA...
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