Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5329781 | Frost control system | William W. Hoerner, David LEPPERT, Glenn A. Nicol | 1994-07-19 |
| 5203175 | Frost control system | William W. Hoerner, David LEPPERT, Glenn A. Nicol | 1993-04-20 |