Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838662 | Light switches utilizing anisotropic emission | Robert L. Van Ewyk, Ingrid M. O'Connor | 1989-06-13 |
| 4834500 | Thermochromic liquid crystal displays | Kyle E. N. Kerr, Damien G. McDonnell | 1989-05-30 |