Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159172 | Optical projection system | Douglas S. Goodman, Alan E. Rosenbluth, Janusz S. Wilczynski | 1992-10-27 |
| 4744615 | Laser beam homogenizer | Bunsen Fan, Janusz S. Wilczynski, David F. Witman | 1988-05-17 |