Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333469 | Method and apparatus for efficiently controlling refrigeration and air conditioning systems | Gordon C. Hullar | 1994-08-02 |
| 5230223 | Method and apparatus for efficiently controlling refrigeration and air conditioning systems | Gordon C. Hullar | 1993-07-27 |