CASTLEGUARD
Telephone access control system for limited entry into controlled environments Primarily used on gates and entry doors for…
Owned by: Trigon Electronics, Inc.
Serial Number: 78062548
TRIGON ELECTRONICS, INC.
Filed: May 18, 2001
TELEPHONE ACCESS CONTROL SYSTEMS, COMPRISING A TELEPHONE HANDSET AND KEYPAD, AN INTERCOM UNIT, COMPUTER HARDWARE AND OPERATIONAL…
Owned by: Trigon Electronics, Inc.
Serial Number: 78064447
CASTLEGATE
Telephone access control system for limited entry into controlled environments Primarily used on gates and entry doors for…
Owned by: Trigon Electronics, Inc.
Serial Number: 78064495
TELEDIAL
Telephone access control unit for entry into controlled environments Primarily used on gates and entry doors for single…
Owned by: Trigon Electronics, Inc.
Serial Number: 78066363
TELALARM
Auto dial telephone system for use in emergency and security environments Units consist of single and multiple number roll…
Owned by: Trigon Electronics, Inc.
Serial Number: 78073011
