Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909918 | Air filtration system | Larry S. Bias, Kristin L. Schaefer, John Mark Hagan, Mark D. Woodruff, Daniel J. Mitchell +3 more | 2011-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909918 | Air filtration system | Larry S. Bias, Kristin L. Schaefer, John Mark Hagan, Mark D. Woodruff, Daniel J. Mitchell +3 more | 2011-03-22 |