ULTRACOMM
Distributed antenna system for use in underground mines comprised of coaxial radiating cable, amplifiers, cable splitters…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 77111390
MINEAX
Filed: February 26, 2010
Wireless RFID Tracking System which utilizes RFID beacon devices and readers to send, receive, store and re-transmit data…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 77946231
TR TUNNEL RADIO OF AMERICA
Filed: May 13, 2011
radio transmitters and receivers for underground use
Owned by: Tunnel Radio of America, Inc.
Serial Number: 85320980
MULTIHOP
Filed: June 29, 2011
Devices for radio communication and tracking systems, namely, radio frequency identification (RFID) readers and wireless…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 85360022
TUNNEL RADIO LINK
Filed: July 1, 2011
Wireless extension systems for tunnels, namely, distributed antenna systems comprising base interface units to connect to…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 85362208
TUNNEL/LINK
Filed: July 1, 2011
Wireless extension systems for tunnels, namely, distributed antenna systems comprising base interface units to connect to…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 85362211
TUNNEL RADIO OF AMERICA
Filed: March 1, 2012
radio transmitters and receivers for underground use; wireless extension systems for tunnels, namely, distributed antenna…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 85557842
T R
Filed: April 19, 2012
Radio transmitters and receivers for underground use; wireless extension systems for tunnels, namely, distributed antenna…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 85603239
TR
Filed: December 12, 2012
Radio transmitters and receivers for underground use; wireless extension systems for tunnels, namely, distributed antenna…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 85801376
TUNNEL RADIO
Filed: December 12, 2012
Radio transmitters and receivers for underground use; wireless extension systems for tunnels, namely, distributed antenna…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 85801383
TUNNEL VOICE FD4
Filed: April 8, 2013
Wireless extension systems for tunnels, namely, distributed antenna systems comprising base interface units to connect to…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 85898452
OFA SYSTEM
Filed: April 25, 2013
Radio communication and signal booster for use in tunnel site communication networks, namely, signal booster for use with…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 85915157
TRCENTRAL
Filed: July 25, 2017
Software as a Service (SaaS) services featuring software for remote automated monitoring of in-tunnel tracking system installations…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 87542438
TR TUNNEL RADIO OF AMERICA
Filed: November 16, 2017
Communication data and wireless systems for confined spaces, namely, mines, railroads and mass transit tunnels, as well…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 87687340
TUNNEL RADIO OF AMERICA
Filed: November 16, 2017
Communication data and wireless systems for confined spaces, namely, mines, railroads and mass transit tunnels, as well…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 87687353
SKIA
Drones; unmanned aerial vehicles (UAVs); remote controlled UAVs; unmanned aerial systems (UAS) comprised of drones and remote…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 87778798
RECOMM
Data and voice communication systems, and safety and inspection solutions for confined and remote environments, namely mines…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 88162658
TUNNEL VOICE
Filed: May 28, 2021
Wireless extension systems for tunnels, namely, distributed antenna systems comprising base interface units to connect to…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 90742834
TR TUNNEL RADIO
Filed: June 2, 2021
Radio transmitters and receivers for underground use and shielded spaces; wireless extension systems for tunnels, namely…
Owned by: Tunnel Radio of America, Inc.
Serial Number: 90750726