Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6315265 | Variable valve timing actuator | Scott Adler, Frank J. Fronczak, Ahmad M. Sabri | 2001-11-13 |
| 5971027 | Accumulator for energy storage and delivery at multiple pressures | Frank J. Fronczak | 1999-10-26 |
| 5067456 | Hypocycloid engine | Frank J. Fronczak | 1991-11-26 |