Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959516 | Insect and microorganism control for buildings | Robert R. Williamson, Norwin Derby, Bradley Matthew Eisenbarth | 2005-11-01 |
| 6729077 | Insect control for buildings | Craig Alan Nickell, Norwin Derby | 2004-05-04 |
| 6588158 | Insect control for building | Craig Alan Nickell, Norwin Derby | 2003-07-08 |
| 6453637 | Insect control for buildings | Craig Alan Nickell, Norwin Derby | 2002-09-24 |
| 6370834 | Insect control for buildings | Craig Alan Nickell, Norwin Derby | 2002-04-16 |