Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7032649 | Energy transfer system for cold storage facilities | Edward R. Schulak | 2006-04-25 |
| 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 |
| 6230514 | Energy transfer system for refrigerator freezer components | Edward R. Schulak, Joseph A. Pietsch | 2001-05-15 |
| 5964101 | Energy transfer system for refrigerator/freezer components | Edward R. Schulak, Joseph A. Pietsch | 1999-10-12 |
| 5937662 | Energy transfer system for refrigerator/freezer components | Edward R. Schulak, Joseph A. Pietsch | 1999-08-17 |
| 5904051 | Energy transfer system for refrigeration/freezer components | Edward R. Schulak, Joseph A. Pietsch | 1999-05-18 |
| 5816063 | Energy transfer system for refrigerator/freezer components | Edward R. Schulak, Joseph A. Pietsch | 1998-10-06 |
| 5666817 | Energy transfer system for refrigerator/freezer components | Edward R. Schulak | 1997-09-16 |