Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4530417 | Suppressor | — | 1985-07-23 |
| 4406265 | Peak combustion pressure controlled spark timing control system with engine speed dependent filter | Herman F. Brandt, Anthony A. Sperling | 1983-09-27 |