Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508747 | Apparatus to bias spool valves using supply pressure | Richard J. Winkler, Christopher S. Metschke | 2019-12-17 |
| 9625043 | Apparatus to bias spool valves using supply pressure | Richard J. Winkler, Christopher S. Metschke | 2017-04-18 |