Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988144 | Plenum and wiper module removable for engine service | Roger E. Johnson, Thomas C. Jensen | 1991-01-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988144 | Plenum and wiper module removable for engine service | Roger E. Johnson, Thomas C. Jensen | 1991-01-29 |