Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675878 | Angled turbulator for use in heat exchangers | James T. Haasch, Thomas Lefeber, Robert Barfknecht, Frank M. Grippe, Ajay Dalmia +1 more | 2004-01-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6675878 | Angled turbulator for use in heat exchangers | James T. Haasch, Thomas Lefeber, Robert Barfknecht, Frank M. Grippe, Ajay Dalmia +1 more | 2004-01-13 |