Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5979171 | Heat exchanger slab assembly having improved condensate retaining features | Floyd J. Frenia, Loren D. Hoffman, Thomas Rembold | 1999-11-09 |
| 4679405 | Molded drain connection with insert | Thaddeus J. Wawro, Charles E. Whipple, William E. Wright, Sr. | 1987-07-14 |