Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966240 | Laser blocking filter with neutral transmission color | Charles K. Langhorn, Dennis Fischer, Bruce E. Perilloux | 1999-10-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966240 | Laser blocking filter with neutral transmission color | Charles K. Langhorn, Dennis Fischer, Bruce E. Perilloux | 1999-10-12 |