Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5442478 | Electrochromic device using mercaptans and organothiolate compounds | Yan Ma, Marca M. Doeff, Steven J. Visco | 1995-08-15 |
| 5142406 | Electrochromic optical switching device | Steven J. Visco | 1992-08-25 |