Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105303 | Arrangement for a transparent covering element with an electrochromatic layer | — | 1992-04-14 |
| 4198674 | Light unit for vehicles | Bjorn E. A. Envall | 1980-04-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105303 | Arrangement for a transparent covering element with an electrochromatic layer | — | 1992-04-14 |
| 4198674 | Light unit for vehicles | Bjorn E. A. Envall | 1980-04-15 |