Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5535722 | Knock detection system and control method for an internal combustion engine | William J. Graessley, James Zehnal, Kevin Ronald Carlstrom, Mitchell Anthony DePerno, James W. Forbes | 1996-07-16 |