Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880033 | Poppet valve | — | 1989-11-14 |
| 4856560 | Valve base with integral flow control valves and common exhaust passage | Richard A. Fagerlie | 1989-08-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880033 | Poppet valve | — | 1989-11-14 |
| 4856560 | Valve base with integral flow control valves and common exhaust passage | Richard A. Fagerlie | 1989-08-15 |