Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491514 | Furnace burner box assembly with reduced acoustic emissions | Darcy Q. Easterling, Glenn William Kowald | 2002-12-10 |
| 5984198 | Heat pump apparatus for heating liquid | Gregory S. Bennett, Thomas J. Carr, Merlin K. Chapin | 1999-11-16 |