Tubular goods inspection services which includes the collection and storage of wall thickness data which simulates viewing of the tubular goods as if it were a semi-transparent object

Inspection of joints of pipe used in oil wells and mineral exploration

ANTI INTRUSION ALARMS; [ FIRE ALARMS; ] MOTION DETECTORS; BURGLAR ALARMS; WARNING DEVICES, namely, SIRENS, BELLS, [ ELECTRIC FENCES; ] [ EMERGENCY WARNING LIGHTS; ELECTRIC LOCKS; CLOSED CIRCUIT CAMERAS; ] PERSONAL SECURITY ALARMS; SIGNALING, SURVEYING AND MONITORING EQUIPMENT FOR SECURITY, AUTOMATION AND CONTROL SYSTEMS, namely, TRANSMITTERS, RECEIVERS, COMPUTER SOFTWARE FOR CENTRAL MONITORING STATIONS, REPEATERS, COMMUNICATORS, CONTROL PANELS, NETWORKABLE BUS DEVICES; SIGNALING MODEMS, DIALE...

FILM PROJECTORS, VIEWERS, AND CARTRIDGES

ULTRASONIC APPARATUS FOR CLEANING CONTACT LENSES