Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871917 | Vehicular moisture sensor and mounting apparatus therefor | Desmond O'Farrell, Kenneth Schofield, Karl H. Hanft, Kenneth L. Schierbeek, Richard Dewayne Bentley | 1989-10-03 |
| 4859867 | Windshield moisture sensing control circuit | Karl H. Hanft, Desmond O'Farrell | 1989-08-22 |