74543499
Jun 28, 1994
Aug 13, 1996
equipment for repair of conduit pipes such as a sewer line or the like, namely a portable grouting system comprised of equipment for the repair of conduit pipes such as a sewer line or the like, namely a portable grouting system comprised of a grouting pump, electric generator, power mixer and a nozzle for injecting grout
Machineryequipment for inspection of conduit pipes such as a sewer line or the like, namely television cameras for use in pipeline inspection, an electronic control and television monitor for controlling and monitoring the view seen by the camera, electrical cables for connecting the electronic control and the television monitor to the camera, and electronic controls for advancing the camera through the conduit pipes
Electrical and Scientific Apparatus