Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119538 | Method of making a temperature sensor | Royal H. Sites | 1992-06-09 |
| 4882908 | Demand defrost control method and apparatus | — | 1989-11-28 |
| 4573497 | Refrigerant reversing valve | — | 1986-03-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5119538 | Method of making a temperature sensor | Royal H. Sites | 1992-06-09 |
| 4882908 | Demand defrost control method and apparatus | — | 1989-11-28 |
| 4573497 | Refrigerant reversing valve | — | 1986-03-04 |