About 7 Trademarks found that are filed by the law firm Elizabeth W Layman

K-LIG

DRESSER INDUSTRIES, INC.

73131625

23 Jun 1977

ADDITIVE USED IN WATER, OIL, AND GAS WELL DRILLING AND COMPLETION OPER...

GEOMECHANICS DRILLING ANALYSIS SYSTEM

Dresser Industries, Inc.

75239045

10 Feb 1997

technical consultation to purchasers and end users in the selection, u...

QUATROCUT

Diamant Boart Stratabit S.A.

74057242

25 Mar 1991

diamond cutting machine tools; namely, bits, drills, disks, blades set...

ELITE

WESTERN ATLAS INTERNATIONAL, INC.

74369265

19 Mar 1993

calculation of electrical properties of material samples from the eart...

KITTY MAGIC

DRESSER INDUSTRIES, INC.

75413979

05 Jan 1998

CAT LIITER,CAT LIITER

XACTA

DRESSER INDUSTRIES, INC.

75153191

20 Aug 1996

pressure gauges for use on equipment, namely, compressors, regulators,...

POLY-BORE

Baroid Technology, Inc.

75319711

07 Jul 1997

dry powder polymer additive for fluids used in drilling earth borehole...