85597006
Apr 13, 2012
Apr 29, 2014
Computerized control devices for oil field pumping equipment, namely, well monitors and pump controllers for artificial lift systems used to remove oil or gas from an oil or gas well; computer software for use in connection with control devices for oil field pumping equipment, namely, well monitors and pump controllers for artificial lift systems used to remove oil or gas from an oil or gas well
Electrical and Scientific Apparatus