Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4303022 | Arrangement in incinerator | Hermann Etnestad | 1981-12-01 |
| 4301748 | Arrangement in fluidized bed incinerator | Herman Etnestad, Frode Milch Pedersen | 1981-11-24 |
| 4257336 | Arrangement in incinerator | Hermann Etnestad | 1981-03-24 |