76304572
Aug 24, 2001
Jun 22, 2004
Active Trademark
Railroad interlocking testing system comprised of computer software for collecting, storing, calculating, and managing data; and communication network servers; communication network hubs; network clients, namely computers; control point network interfaces; microcontrollers; wireless communication devices, namely radios, radio modems, and personal digital assistants; modems; and radio frequency transmitters; Railroad interlocking testing system comprised of computer software for collecting, storing, calculating, and managing data; and communication network hubs; network clients, namely computers; control point network interfaces; microcontrollers; wireless communication devices, namely radios, radio modems, and personal digital assistants; modems; and radio frequency transmitters; Railroad interlocking testing system comprised of computer software for collecting, storing, calculating, and managing data; and communication network hubs; network clients, namely computers; control point network interfaces; and microcontrollers; Testing systems comprised of computer software for collecting, storing, calculating, and managing data from railroad interlockings; Testing systems comprised of network control point interfaces for use with railroad interlocking test systems; Testing systems comprised of communication network hubs for use with railroad interlocking test systems; Testing systems comprised of computer servers for use with railroad interlocking test systems; Testing systems comprised of computer hardware and software for collecting, storing, calculating, and managing data from railroad interlockings; Testing systems comprised of wireless communication devices, namely, radios, radio modems, and personal digital assistants; transmitters; and receivers for use with railroad interlocking test systems
Electrical and Scientific Apparatus