Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202950 | Backlighting system with faceted light pipes | Kevin Joseph Hathaway, Richard M. Knox, Gaylon R. Kornfuehrer | 1993-04-13 |
| 5050946 | Faceted light pipe | Kevin Joseph Hathaway, Richard M. Knox, Gaylon R. Kornfuerhrer | 1991-09-24 |