Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608375 | Synchronized visual/audible alarm system | — | 1997-03-04 |
| D374635 | Cover for an audible-visual alarm | Inhong Hur, Luy B. Nguyen | 1996-10-15 |
| 5475361 | Strobe warning light | John W. Curran, Luy B. Nguyen | 1995-12-12 |
| 5400009 | Synchronization circuit for visual/audio alarms | Edward V. Applegate | 1995-03-21 |
| 5355116 | Adjustable strobe with temperature stabilization | Ed Applegate, John W. Curran | 1994-10-11 |
| 5341069 | Microprocessor-controlled strobe light | Edward V. Applegate | 1994-08-23 |
| 5293155 | Interface for a supervised multi-input audible warning system | John J. Nicol, Bart Falzarano, Jr. | 1994-03-08 |
| 5121033 | Strobe circuit utilizing optocoupler in DC-to-DC converter | — | 1992-06-09 |