Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689972 | Refrigerant expansion device | Jeffrey L. Jones, Loren D. Hoffman, Jeffery A. Storie | 1997-11-25 |
| 5647533 | Run time criteria to control indoor blower speed | Larry J. Burkhart, Hongmei Liang, Frederick J. Keller, Jr. | 1997-07-15 |