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on 04 Dec 1991
TOOLTECH, INC.
73413696 · 16 Feb 1983
042
A NON-DESTRUCTIVE INSPECTION SERVICE FOR DETERMINING DEFECTS IN WELL P...
on 31 Jul 1991
Tooltech, Inc.
73421598 · 14 Apr 1983
007
Work String Threaded Well Drilling Tool Joints,T 2 X,Work String Threa...
on 20 Feb 1991
Tooltech, Inc.
73407873 · 03 Jan 1983
007
Overlay of Non-Abrasive Metallic Material Sold Applied to the Joints o...
on 20 Feb 1991
Tooltech, Inc.
73407874 · 03 Jan 1983
007
Layer of Wear Resistant Metallic Material Sold Applied to Industrial W...
on 24 Apr 1989
Tooltech, Inc.
73333925 · 23 Oct 1981
007
The mark consists of the letter "T" and target design.,Rotary Drill Pi...
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