Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D317005 | Infrared data transmission unit for computer peripheral equipment | Gammini Wickrema, Joseph DeSouza | 1991-05-21 |
| D311540 | Infrared antenna | Gamini Wickrema, Joseph DeSouza | 1990-10-23 |