Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4528054 | Method for making overhead projection transparency | Per Hektoen, Oystein Karlsen | 1985-07-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4528054 | Method for making overhead projection transparency | Per Hektoen, Oystein Karlsen | 1985-07-09 |