| 7501930 |
Lock control system with lock-down feature |
Michael Cote, George Frolov |
2009-03-10 |
| 7181507 |
Internet based access point management system |
James Yuan |
2007-02-20 |
| 7019614 |
Door security system audit trail |
Peter S. Conklin |
2006-03-28 |
| 6876293 |
Multiple access electronic lock system |
George Frolov, Leon Boiucaner, Michael Cote, Dominic Pesapane |
2005-04-05 |
| 6611414 |
Control system for electromagnetic lock |
James Krul |
2003-08-26 |
| 5988708 |
Electromagnetically managed latching exit bar |
George Frolov, John E. Walsh, James J. Scott, Peter S. Conklin |
1999-11-23 |
| 5923264 |
Multiple access electronic lock system |
Peter S. Conklin, Brian D. Hass, John E. Walsh |
1999-07-13 |
| 5815084 |
Programmer for contact readable electronic control system and programming method therefor |
George Frolov |
1998-09-29 |
| 5608298 |
Privacy protection for electronic lock system |
George Frolov |
1997-03-04 |
| 5537103 |
Programmer for contact readable electronic control system and programming method therefor |
George Frolov |
1996-07-16 |
| RE35268 |
Door security system |
George Frolov, James J. Scott |
1996-06-11 |
| 5517176 |
Emergency exit bar with dual sensors |
George Frolov, George A. Baehr |
1996-05-14 |
| 5479151 |
Electromagnetic door lock with on-board programmable access control |
Peter S. Conklin |
1995-12-26 |
| 5065136 |
Door security system |
George Frolov, James J. Scott |
1991-11-12 |
| 4902882 |
Code reader |
— |
1990-02-20 |
| 4887442 |
Electronic lockset assembly and control |
— |
1989-12-19 |
| 4785425 |
Electronic locking system |
— |
1988-11-15 |
| 4742426 |
Electronic locking apparatus |
— |
1988-05-03 |