Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5999090 | Alarm sensor and antenna arrangement | Stephen Redfern, Peter P. Blunden | 1999-12-07 |
| 5563617 | Doppler microwave sensor | Stephen Redfern, Peter P. Blunden | 1996-10-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5999090 | Alarm sensor and antenna arrangement | Stephen Redfern, Peter P. Blunden | 1999-12-07 |
| 5563617 | Doppler microwave sensor | Stephen Redfern, Peter P. Blunden | 1996-10-08 |