| BARREL-O-GRAF WARREN AUTOMATIC TOOL COMPANY
72283182 23 Oct 1967 | on 03 Nov 1992 | INDICATOR AND RECORDER OF TOTAL BARRELS OF MUD IN ACTIVE SERVICE MUD S... Class 026 Class 026 Lace, Ribbons & Embroidery and Fancy Goods INDICATOR AND RECORDER OF TOTAL BARRELS OF MUD IN ACTIVE SERVICE MUD SYSTEM WITH AUDIBLE ALARM | | | 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 | | | W WARREN AUTOMATIC TOOL CO. Warren Automatic Tool Company
73260533 02 May 1980 | on 08 Jun 1988 | Electrical and Mechanical Measuring Instruments for Use in the Explora... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products The drawing is lined for the color red. | |