| WATCO Warren Automatic Tool Company
73258784 21 Apr 1980 | on 20 Oct 1988 | Measuring Instruments Used in Drilling Operations-Namely, Consoles whi... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Measuring Instruments Used in Drilling Operations-Namely, Consoles which Measure Drilling Rate Response, Pump Pressure, Strokes Per Minute, Gallons Per Minute, Total Pump Strokes, Pit Level and Flow Data, Flow-Rate Returns, Rotary Revolutions Per Minute and Mud Weight | | | WATT-KING Watt-Co Energy, Inc.
73247101 21 Jan 1980 | on 22 Jul 1988 | a Minicomputer,a Minicomputer Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products The lining on the drawing represents the color red. | |