Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5371581 | Helicopter obstacle warning system | Richard J. Wangler, Keith L. Fowler | 1994-12-06 |
| 5321490 | Active near-field object sensor and method employing object classification techniques | Robert A. Olson, Robert L. Gustavson, Richard J. Wangler | 1994-06-14 |
| 5278423 | Object sensor and method for use in controlling an agricultural sprayer | Richard J. Wangler, Keith L. Fowler | 1994-01-11 |