Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9136957 | Mobile device activation for events | Sei Y. Ng, M. Jeffrey Stone | 2015-09-15 |
| 5088115 | Ventilated full body protective garment | — | 1992-02-18 |
| 4899740 | Respirator system for use with a hood or face mask | — | 1990-02-13 |