Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842301 | Acoustic emission automotive crash sensor | — | 1989-06-27 |
| 4364260 | Engine with knock sensing apparatus having multiple frequency tuning | Francis H. Chen, James A. Hamburg | 1982-12-21 |