Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025889 | Engine noise reducer | Alan Root Lockwood, Dilyard Doolin | 1991-06-25 |
| 4377270 | Bow holder | — | 1983-03-22 |
SK
Sidney C. Kolongowski
Overall (All Time): #2,317,289 of 4,157,543Top 60%
2
Patents All Time