74090246
Aug 22, 1990
Aug 4, 1992
remotely operated miniature land vehicle used for transportation of various devices inside pipes, including, but not limited to measurement devices, for use only in internal pipe inspection
Electrical and Scientific Apparatusinspection services for internal inspection only of pipes at power plants, refineries, pulp and paper mills, chemical facilities, sewer/water/drain lines, rendered by means of a robot
Computer and Scientific