Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671635 | Method and apparatus for monitoring of spring pack displacement of a motor-operated valve | John L. Lewis, Roger W. Carr, Bryan E. Prather | 1997-09-30 |
| 5433245 | Online valve diagnostic monitoring system having diagnostic couplings | Bryan E. Prather | 1995-07-18 |