Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484794 | Energy transfer system for cold storage facilities | Edward R. Schulak | 2002-11-26 |
| 6463755 | Energy transfer system for refrigerator/freezer components | Edward R. Schulak, Joseph A. Pietsch | 2002-10-15 |