Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012412 | Method and device for purifying ambient air and surfaces | James Normark, Allen Johnston | 2011-09-06 |
| 7871518 | Apparatus for treating wash water supplied | Walter B. Ellis, Ronald Fink, R. Paul Beam | 2011-01-18 |