Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240815 | Method for determining the surface weight of a mineral wool mat | Stellan Dahlberg, Ulf Aberg | 1980-12-23 |
| 4210432 | Method for control of the surface weight of a mineral wool mat | Arvid S. Dahlberg, Ulf Aberg | 1980-07-01 |