Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4481925 | Internal combustion engine spark timing control including peak combustion sensor | Philip Allen Karau, John Brooks | 1984-11-13 |
ML
Marshall W. Littrell
Overall (All Time): #4,043,964 of 4,157,543Top 100%
1
Patents All Time