Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419823 | Apparatus and method for sanitizing and cleaning a filter system | Michael G. Costello, Karen L. Asher | 2002-07-16 |
| 6342163 | Apparatus and method for sanitizing and cleaning a filter system | Michael G. Costello, Karen L. Asher | 2002-01-29 |