Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5775318 | Forced air condensing furnace and heat exchanger manifold therefor | Paul M. Haydock | 1998-07-07 |
| 5368010 | Multi-position forced air furnace | Richard H. Weber, III, Paul T. Richardson | 1994-11-29 |
| 5301654 | Heat-exchanger especially for forced air furnaces | Richard H. Weber, III, Paul T. Richardson, David Langenkamp | 1994-04-12 |
| 4401425 | Safety switch for a combustion system | Daniel J. Dempsey | 1983-08-30 |