Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887454 | Method for monitoring a work vehicle suspension | F. Paul Lutgen, Adam J. Gudat | 1989-12-19 |
| 4866419 | Method for detecting an underinflated tire by monitoring a work vehicle suspension | Gregory Long | 1989-09-12 |
| 4845975 | Method for monitoring a work vehicle suspension | F. Paul Lutgen, Adam J. Gudat | 1989-07-11 |