Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661973 | Muffler and fuel saving device for internal combustion diesel engine | — | 1997-09-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661973 | Muffler and fuel saving device for internal combustion diesel engine | — | 1997-09-02 |