| 8505359 |
System and method for determining a gate position |
Alex Parsadayan |
2013-08-13 |
| 8285271 |
Wireless telephone interface for remote command of an operator for an automatic gate |
Alex Parsadayan |
2012-10-09 |
| D654871 |
Motor locking module for a gate operator |
Alex Parsadayan |
2012-02-28 |
| 7548557 |
Method and apparatus for access control system message conveyance |
— |
2009-06-16 |
| 7221289 |
System and method for operating a loop detector |
— |
2007-05-22 |
| 7176647 |
Light-emitting device having a phosphor particle layer with specific thickness |
Walter Parsadayan |
2007-02-13 |
| 7174003 |
Method and system for troubleshooting a security system's telephone lines |
— |
2007-02-06 |
| 7065923 |
Method and apparatus for breakaway mounting of security gate to drive mechanism |
Walter Parsadayan |
2006-06-27 |
| 7038582 |
Access control system wireless transmission link test method |
Hagop Sakadjian |
2006-05-02 |
| 6933843 |
Data storage module for a security system |
Walter Parsadayan, Daniel Perez |
2005-08-23 |
| 6920718 |
Independent backup power supply for a security barrier |
Walter Parsadayan, Daniel Perez |
2005-07-26 |
| 6882715 |
Method and apparatus for communication with a gate entry controller and providing secure communication |
— |
2005-04-19 |
| 6850822 |
Method and apparatus for preventing overheating of security gate motor |
Walter Parsadayan, Alex Parsadayan |
2005-02-01 |
| 6714130 |
Method and apparatus for sensing gate position |
— |
2004-03-30 |
| 6650076 |
Current profile method and apparatus for controlling gate operation |
Daniel Perez |
2003-11-18 |