Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827001 | Pressure actuator diaphragm casing with air passages | Chad Michael Engle | 2004-12-07 |
| 6789784 | Seat ring for valves | William E. Wears | 2004-09-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827001 | Pressure actuator diaphragm casing with air passages | Chad Michael Engle | 2004-12-07 |
| 6789784 | Seat ring for valves | William E. Wears | 2004-09-14 |