Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6407847 | Electrochromic medium having a color stability | David L. Poll, Kevin L. Ash, Thomas F. Guarr, William L. Tonar | 2002-06-18 |
| 6362914 | Electrochromic materials with enhanced ultraviolet stability and devices comprising same | Kelvin L. Baumann, Thomas F. Guarr | 2002-03-26 |
| 6353493 | Electrochromic media with concentration-enhanced stability, process for the preparation thereof and use in electrochromic devices | Thomas F. Guarr, David J. Cammenga, John S. Anderson | 2002-03-05 |