Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5967228 | Heat exchanger having microchannel tubing and spine fin heat transfer surface | Mark O. Bergman, Stephen S. Hancock | 1999-10-19 |
| 5269153 | Apparatus for controlling space heating and/or space cooling and water heating | — | 1993-12-14 |
| 5018586 | Fire suppression system for a decorative tree | Dennis Cawley | 1991-05-28 |
| 4190199 | Combination heating system including a conventional furnace, heat pump and solar energy subsystem | Paul Buckley | 1980-02-26 |