85880523
Mar 19, 2013
Apr 28, 2015
Transceivers; underwater two-way voice and data communication receivers and transmitters; magnetic voice and data communication transmitters; magnetic voice and data communication receivers; magnetic voice and data communication transceivers; antennas for magnetic communication; computer software for sending and receiving magnetic communications
Electrical and Scientific ApparatusMaintenance and repair of underwater, underwater and through-earth boundary, and underwater and through-air boundary communication systems
Building Construction and RepairEngineering services for wireless underwater, underwater and through-earth boundary, and underwater and through-air boundary communications
Computer and Scientific