Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7665427 | Heat exchange system with steam trap protection | John M. Peckham, Christopher J. Bollas | 2010-02-23 |
| 7299769 | Condensing gas fired water heater | Michael James Hubbard, Mark A. Ferguson, Paul Bothner | 2007-11-27 |
| 7278379 | Heat exchange system | John M. Peckham, Christopher J. Bollas | 2007-10-09 |
| 6948455 | Finned tube heat exchanger and method | Mark A. Ferguson, Richard Patrick Carter, Michael James Hubbard, Curtis Allan Hissam, Scott Kevin White | 2005-09-27 |
| 6810836 | Finned tube water heater | Mark A. Ferguson, Richard Patrick Carter, Michael James Hubbard, Curtis Allan Hissam, Scott Kevin White | 2004-11-02 |
| 5152636 | Reel mountable boom apparatus | — | 1992-10-06 |
| D309273 | Road safety device | Roger Leonard Williams | 1990-07-17 |
| D302530 | Base for road safety marker | — | 1989-08-01 |
| 4270515 | Fireplace having integral grate | Leonard Gordon | 1981-06-02 |