Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251320 | Method of producing a mineral fiber product | Gunnar Cederqvist | 1981-02-17 |
| 4240815 | Method for determining the surface weight of a mineral wool mat | Hans E. O. Brelen, Stellan Dahlberg | 1980-12-23 |
| 4234329 | Method for the production of mineral fibers with unitary fiber length characteristics | Gunnar M. T. Soderqvist | 1980-11-18 |
| 4210432 | Method for control of the surface weight of a mineral wool mat | Hans E. O. Brelen, Arvid S. Dahlberg | 1980-07-01 |
| 4193841 | Method for the manufacture of a mineral fiber sheet | Gunnar Cederqvist | 1980-03-18 |