Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653648 | Radiation protection system | — | 2003-11-25 |
| 6650635 | Network telephone communication | Lee Weinstein, John A. Kowalonek, P. Bradley Rosen, Benjamin Chigier, Ed Olkkola | 2003-11-18 |