Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698452 | Cycle reversing valve for use in heat pumps | Gregory E. Sisk, George J. Sciuto, Thomas L. Hopkins | 2004-03-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698452 | Cycle reversing valve for use in heat pumps | Gregory E. Sisk, George J. Sciuto, Thomas L. Hopkins | 2004-03-02 |