Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6016837 | Steering valve with closed center | Robert Spillner, David Vile | 2000-01-25 |
| 5870941 | Steering valve with closed center | Robert Spillner | 1999-02-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6016837 | Steering valve with closed center | Robert Spillner, David Vile | 2000-01-25 |
| 5870941 | Steering valve with closed center | Robert Spillner | 1999-02-16 |