Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645001 | Heat exchanger | — | 1987-02-24 |
| 4347972 | Apparatus for production of hot water | Lennarth Fransson, Arne Thuvander | 1982-09-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645001 | Heat exchanger | — | 1987-02-24 |
| 4347972 | Apparatus for production of hot water | Lennarth Fransson, Arne Thuvander | 1982-09-07 |