Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9658700 | External keyboard | — | 2017-05-23 |
| 4649807 | Method for preventing dust depositions or build-ups in off-gas channels of electrothermal smelting furnaces | Bjarne Thogersen | 1987-03-17 |