Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369935 | Electrochrome glazing | Jens Cardinal, Hartmut Wittkopf | 2002-04-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369935 | Electrochrome glazing | Jens Cardinal, Hartmut Wittkopf | 2002-04-09 |