Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6248263 | Electrochromic layer and devices comprising same | William L. Tonar, Harlan J. Byker, John S. Anderson, Kevin L. Ash | 2001-06-19 |
| 6020987 | Electrochromic medium capable of producing a pre-selected color | Kelvin L. Baumann, Harlan J. Byker, Thomas F. Guarr, David A. Theiste, Derick D. Winkle | 2000-02-01 |
| 5928572 | Electrochromic layer and devices comprising same | William L. Tonar, Harlan J. Byker, John S. Anderson, Kevin L. Ash | 1999-07-27 |
| 5888431 | Electrochromic layer and devices comprising same | William L. Tonar, Harlan J. Byker, John S. Anderson, Kevin L. Ash | 1999-03-30 |