Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D396819 | Personal security alarm | — | 1998-08-11 |
| D389420 | Traffic master light wand | — | 1998-01-20 |
| D382396 | Holster for personal security alarm | — | 1997-08-19 |
| 5633623 | Personal indicator with light emission multiplying microprism array | — | 1997-05-27 |
| D361951 | Combined lens and tracking indication light in a personal location unit | — | 1995-09-05 |
| D359460 | Combined lens and tracking indicator light for a personal security alarm | — | 1995-06-20 |
| 5317305 | Personal alarm device with vibrating accelerometer motion detector and planar piezoelectric hi-level sound generator | — | 1994-05-31 |
| D336052 | Housing for a personal security alarm | — | 1993-06-01 |
| 4621258 | Proximity detecting apparatus | — | 1986-11-04 |