Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5586540 | Multiple stage supercharging system | Steven E. Marzec | 1996-12-24 |
| 4548365 | Method and apparatus for winding toroidal cores | Allen A. Tallis | 1985-10-22 |
| 4288041 | Shuttleless toroidal core winder | James Douglas Lint | 1981-09-08 |