Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D698017 | Filter adaptor | — | 2014-01-21 |
| 7670398 | Filter system | — | 2010-03-02 |
| 7670403 | Filter assembly and adaptor | David R. Sauer | 2010-03-02 |
| 7404839 | Filter assembly and adaptor | David R. Sauer | 2008-07-29 |