Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6362922 | Projection lens and system | Biljana Tadic-Galeb, Robert E. Fischer, David Kappel, Neil L. Condra, Sean M. Donnelly | 2002-03-26 |
| 6220713 | Projection lens and system | Biljana Tadic-Galeb, Robert E. Fischer, David Kappel, Neil L. Condra, Sean M. Donnelly | 2001-04-24 |