Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900772 | Systems and methods for wireless telecommunications | — | 2005-05-31 |
| 6741835 | Systems and methods for communications | — | 2004-05-25 |
| 6396413 | Personal alarm monitor system | Richard A. Hines, Edward Starling, Robert James Pang | 2002-05-28 |
| 6121881 | Protective mask communication devices and systems for use in hazardous environments | John S. Bieback, Peter J. LaPlaca | 2000-09-19 |