79186621
Dec 28, 2015
Nov 8, 2016
Active Trademark
Measuring, detecting and monitoring instruments, indicators and controllers, namely, a device for detecting and recognizing the fluid level depth, the downhole pressure and the condition of downhole equipment in a borehole for use at deep drilling sites and sites for the exploration and prospection of liquid and gaseous hydrocarbons, deep water and thermal energy; and replacement parts for the aforesaid goods
Electrical and Scientific Apparatus