Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825904 | Two position flow control valve assembly with position sensing | Richard Grau, Robert D. Vanderlaan | 1989-05-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825904 | Two position flow control valve assembly with position sensing | Richard Grau, Robert D. Vanderlaan | 1989-05-02 |