Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018644 | Control of electrochromic device | Peter Georen | 2011-09-13 |
| 7952785 | Manufacturing of electrochromic devices | Richard Karmhag, Claes Goran Granqvist, Andris Azens | 2011-05-31 |
| 7872791 | Electrochromic device contacting | Richard Karmhag | 2011-01-18 |
| 7808692 | Manufacturing of curved electrochromic devices | Richard Karmhag | 2010-10-05 |