Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002975 | Filtration device with a pressure-activated means for bypassing serial filter layers | Kari Backes, Gregory Straeffer | 2011-08-23 |
| 7959805 | Manifold adaptor plate for filtration apparatus | Mark Chisholm, Tom Janko, James E. Kelly, Ralph Stankowski | 2011-06-14 |