Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580438 | Systems and methods for maintaining uniformity in a presentation environment | Lester D. Nelson, Elin R. Pedersen | 2003-06-17 |
| 6509909 | Systems and methods for controlling a presentation using physical objects | Lester D. Nelson, Lia Adams, Elin R. Pedersen, Stephen W. Smoliar | 2003-01-21 |