Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5762089 | Hardface coating for seal surfaces in a gate valve | Sue F. Haeberle, Christi Hambrick, Jack Havens, Manuel N. Maligas, John C. Vicic | 1998-06-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5762089 | Hardface coating for seal surfaces in a gate valve | Sue F. Haeberle, Christi Hambrick, Jack Havens, Manuel N. Maligas, John C. Vicic | 1998-06-09 |