Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9631877 | Furnace heat exchanger coupling | Paul M. Haydock, Larry D. Rieke, Stephen L. Pulley, Scott A. Beck | 2017-04-25 |
| 9234369 | Furnace door latch assembly | Larry D. Rieke, Edward Foxworthy | 2016-01-12 |
| 8826901 | Primary heat exchanger design for condensing gas furnace | Paul M. Haydock | 2014-09-09 |
| 8672370 | Furnace door latch assembly | John N. Abel | 2014-03-18 |