Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464227 | Manometric fluid barrier seal | Wojciech Wyczalkowski, Steven C. Roselle, Robert Peter Dowd, Ronnie Thompson | 2002-10-15 |
| 5297938 | Hydrofoil impeller | John Von Essen, Ronnie Thompson, Edward C. Schrom | 1994-03-29 |