Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7421851 | Appliance for disinfection of HVAC systems | David L. Witham, Thomas M. Veloz, Thomas C. Bowles, Roberto Arance, Jon W. Orr +2 more | 2008-09-09 |
| 7354317 | Lamp keying system and method | David L. Witham, Roberto Arance, Michael A. Pedersen, Michael A. Jacques | 2008-04-08 |
| 7137728 | Lamp keying system | David L. Witham, Roberto Arance, Michael A. Pedersen | 2006-11-21 |
| 7107778 | Appliance for disinfection of HVAC systems | David L. Witham, Thomas M. Veloz, Thomas C. Bowles, Roberto Arance, Jon W. Orr +2 more | 2006-09-19 |
| 6719175 | Draft system for beverages | Randall A. Mackenzie | 2004-04-13 |