Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6964189 | Portable aerosol contaminant extractor | Duane Carlson, Paula Cable-Dunlap | 2005-11-15 |
| 6955075 | Portable liquid collection electrostatic precipitator | Duane Carlson, Justin E. Halverson | 2005-10-18 |