Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946430 | Filter with protruding member for engaging valve in head | Charles W. Hawkins, Zemin Jiang, Barry M. Verdegan | 2011-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7946430 | Filter with protruding member for engaging valve in head | Charles W. Hawkins, Zemin Jiang, Barry M. Verdegan | 2011-05-24 |