Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4381549 | Automatic fault diagnostic apparatus for a heat pump air conditioning system | Rollie R. Herzog | 1983-04-26 |
| 4373351 | Control apparatus for an air conditioning system providing a plurality of energy-saving modes of operation | Rollie R. Herzog, Michael Augustine Brennan | 1983-02-15 |
| 4338791 | Microcomputer control for heat pump system | Rollie R. Herzog | 1982-07-13 |
| 4333316 | Automatic control apparatus for a heat pump system | Rollie R. Herzog | 1982-06-08 |
| 4328680 | Heat pump defrost control apparatus | Rollie R. Herzog | 1982-05-11 |