Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369935 | Electrochrome glazing | Volker Gumprich, Hartmut Wittkopf | 2002-04-09 |
| 6362806 | Process for driving an electrochromic element | Peter Reichmann | 2002-03-26 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369935 | Electrochrome glazing | Volker Gumprich, Hartmut Wittkopf | 2002-04-09 |
| 6362806 | Process for driving an electrochromic element | Peter Reichmann | 2002-03-26 |