Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403235 | Strength and wear resistance of mechanical components | Gregory L. Glidden, Thomas McNeilly | 2002-06-11 |
| 5762089 | Hardface coating for seal surfaces in a gate valve | Sue F. Haeberle, Christi Hambrick, Jack Havens, Brian Swagerty, John C. Vicic | 1998-06-09 |