Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5925172 | Air treatment system | Thomas A. Niezgoda | 1999-07-20 |
| 5840092 | Air treatment system | John O'Connor | 1998-11-24 |
| 5803940 | Air treatment system | Bradley J. Pippel, Dale Aberegg | 1998-09-08 |
| D388510 | Air treatment unit with removable feet therefor | Jonathan Guerra, Seiji Murakami, Kenichi Touma | 1997-12-30 |