Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4950567 | Holographic optical combiners for head-up displays | Dalen E. Keys, William K. Smothers, Albert F. Harrington, Jacob Beutel, Dillon F. Scofield | 1990-08-21 |
| 4942102 | Holographic optical elements having a reflection hologram formed in a photopolymer | Dalen E. Keys, William K. Smothers, Albert F. Harrington, Jacob Beutel, Dillion F. Scofield | 1990-07-17 |