Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446661 | Spacer means for providing air gaps | Rolf B. J. R. Blomgren, Nils H. Edlund | 1984-05-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4446661 | Spacer means for providing air gaps | Rolf B. J. R. Blomgren, Nils H. Edlund | 1984-05-08 |