Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558062 | Integrated small engine control | Daniel B. O'Connell, Michael T. Faville | 1996-09-24 |
| 5431133 | Low mass two-step valve lifter | Mark J. Spath, Scott H. Nather | 1995-07-11 |
| 5361733 | Compact valve lifters | Mark J. Spath, Timothy J. Peterson, Ivan Rafael Samalot, Timothy W. Kunz, Scott H. Nather | 1994-11-08 |
| 5070827 | Low mass valve lifters | John J. Krieg, Steven F. Lowe, Wayne S. Harris, Michael J. Fox | 1991-12-10 |