Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4649774 | Reversible torque converter | Per Karlsson | 1987-03-17 |
| 4186649 | Regulators | — | 1980-02-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4649774 | Reversible torque converter | Per Karlsson | 1987-03-17 |
| 4186649 | Regulators | — | 1980-02-05 |