Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4920802 | Ultrasonic check valve inspection | John E. Rosenberger, Paul J. Hijek, Shahab S. Negahban | 1990-05-01 |
| 4584164 | Valve control for low temperature overpressure protection in a nuclear power plant | Steven E. Weismantel | 1986-04-22 |