Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446661 | Spacer means for providing air gaps | Jan U. E. Jonsson, Rolf B. J. R. Blomgren | 1984-05-08 |
| 4274506 | Noise shield | Rolf B. J. R. Blomgren | 1981-06-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446661 | Spacer means for providing air gaps | Jan U. E. Jonsson, Rolf B. J. R. Blomgren | 1984-05-08 |
| 4274506 | Noise shield | Rolf B. J. R. Blomgren | 1981-06-23 |