Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5983636 | Power converter according to the principle of the hot-air engine | Stig G. Carlqvist, by Barbro M. Carlqvist, legal representative | 1999-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5983636 | Power converter according to the principle of the hot-air engine | Stig G. Carlqvist, by Barbro M. Carlqvist, legal representative | 1999-11-16 |