Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025889 | Engine noise reducer | Alan Root Lockwood, Sidney C. Kolongowski | 1991-06-25 |
DD
Dilyard Doolin
Overall (All Time): #3,879,125 of 4,157,543Top 95%
1
Patents All Time