Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7632459 | System and method for controlling an ultraviolet air treatment device for return air duct applications | Tracy Lentz, Timothy J. Kensok, Jeffrey M. Hammer, Mark E. Stout, Richard Metzger | 2009-12-15 |
| 7421851 | Appliance for disinfection of HVAC systems | David L. Witham, Thomas M. Veloz, Thomas C. Bowles, Roberto Arance, Keith Crawford +2 more | 2008-09-09 |
| 7107778 | Appliance for disinfection of HVAC systems | David L. Witham, Thomas M. Veloz, Thomas C. Bowles, Roberto Arance, Keith Crawford +2 more | 2006-09-19 |
| 6849234 | System and method for controlling an ultraviolet air treatment device for return air duct applications | Tracy Lentz, Timothy J. Kensok, Jeffrey M. Hammer, Mark E. Stout, Richard Metzger | 2005-02-01 |