Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394135 | Balanced plug valve with contour wall | Gary B. Burwell, Bonnie Dickinson, John Du | 2002-05-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6394135 | Balanced plug valve with contour wall | Gary B. Burwell, Bonnie Dickinson, John Du | 2002-05-28 |