Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795461 | UV absorbing lens material | Bengt Lindqvist, Bjarne Hogstrom, Per-Inge Nilsson | 1989-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795461 | UV absorbing lens material | Bengt Lindqvist, Bjarne Hogstrom, Per-Inge Nilsson | 1989-01-03 |