Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9623471 | Furnace heat exchanger attachment | Paul M. Haydock, Stephen L. Pulley, James J. Mitchum, Stephen R. Carlisle | 2017-04-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9623471 | Furnace heat exchanger attachment | Paul M. Haydock, Stephen L. Pulley, James J. Mitchum, Stephen R. Carlisle | 2017-04-18 |