Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025889 | Engine noise reducer | Alan Root Lockwood, Sidney C. Kolongowski | 1991-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5025889 | Engine noise reducer | Alan Root Lockwood, Sidney C. Kolongowski | 1991-06-25 |