Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406265 | Peak combustion pressure controlled spark timing control system with engine speed dependent filter | Herman F. Brandt, Wayne A. Daniel | 1983-09-27 |
AS
Anthony A. Sperling
Overall (All Time): #4,058,229 of 4,157,543Top 100%
1
Patents All Time