Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D273482 | Seedling flat | Gustav O. Andreason, Ulf R. Friberg, Bengt G. L. Qvarnstrom | 1984-04-17 |
| 4389814 | Seedling transplant unit | Gustav O. Andreason, Ulf R. Friberg, Bengt G. L. Qvarnstrom | 1983-06-28 |