Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7976639 | Method for determining the percentage of allergens picked up from a surface | Timothy J. Padden, Robert E. Rogers, Chwen-Jyh Jeng | 2011-07-12 |
| 7891898 | Cleaning pad for wet, damp or dry cleaning | David A. Hoadley, Miles William Noel Hember | 2011-02-22 |
| 7871821 | Artificial testing soil and method of testing | John R. Wietfeldt | 2011-01-18 |