Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7472774 | Versatile engine muffling system | Robert J. Monson, Jianhua Yan | 2009-01-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7472774 | Versatile engine muffling system | Robert J. Monson, Jianhua Yan | 2009-01-06 |