Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655594 | Rotary regenerative heat exchanger | — | 1997-08-12 |
| 5615732 | Air preheater with semi-modular rotor construction | Mark E. Brophy, William C. Cox, Harlan E. Finnemore, Glenn D. Mattison, Rex R. Snider | 1997-04-01 |