| TRIGON ELECTRONICS, INC. Trigon Electronics, Inc.
78064447 18 May 2001 | on 07 Apr 2023 | TELEPHONE ACCESS CONTROL SYSTEMS, COMPRISING A TELEPHONE HANDSET AND K... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products TRIGON ELECTRONIC INCORPORATED | | | CASTLEGATE Trigon Electronics, Inc.
78064495 18 May 2001 | on 20 Mar 2003 | Telephone access control system for limited entry into controlled envi... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Telephone access control system for limited entry into controlled environments Primarily used on gates and entry doors for single residential applications | | | TELALARM Trigon Electronics, Inc.
78073011 09 Jul 2001 | on 04 Jun 2002 | Auto dial telephone system for use in emergency and security environme... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products TELEPHONE ALARM | | | CASTLEGUARD Trigon Electronics, Inc.
78062548 08 May 2001 | on 19 Apr 2002 | Telephone access control system for limited entry into controlled envi... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Telephone access control system for limited entry into controlled environments Primarily used on gates and entry doors for single and multi-residential, commercial and industrial applications | | | TELEDIAL Trigon Electronics, Inc.
78066363 30 May 2001 | on 03 Apr 2002 | Telephone access control unit for entry into controlled environments P... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products Telephone access control unit for entry into controlled environments Primarily used on gates and entry doors for single commercial and industrial applications | |