Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D503972 | Air treatment system | Bradley J. Pippel, Matthew H. Hess, Thomas A. Niezgoda, Gregory K. Evans | 2005-04-12 |
| D502757 | Water treatment system | Steve O. Mork, Thomas A. Niezgoda, Karen J. VanderKooi | 2005-03-08 |