Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5586933 | Heating, ventilating and air conditioning systems | John Patton Wallis, Peter Bartingale | 1996-12-24 |
| 5411438 | Heating, ventilating and air-conditioning systems | David B. White, Pater Bartingale | 1995-05-02 |