Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262335 | Vehicle transmission control system | Karl G. Ahlen, Gunnar Wahlsten | 1981-04-14 |
| 4214489 | Multi-speed planetary gear | Karl G. Ahlen, Per-Olof Bergstrom | 1980-07-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4262335 | Vehicle transmission control system | Karl G. Ahlen, Gunnar Wahlsten | 1981-04-14 |
| 4214489 | Multi-speed planetary gear | Karl G. Ahlen, Per-Olof Bergstrom | 1980-07-29 |