Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658867 | Performance enhancement of vapor compression system | Alexander Lifson, Thomas J. Dobmeier, Howard H. Fraser, Jr. | 2003-12-09 |
| 6571576 | Injection of liquid and vapor refrigerant through economizer ports | Alexander Lifson, James W. Bush, Howard H. Fraser, Jr., Russell G. Lewis | 2003-06-03 |