Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702592 | Filter monitoring device which monitors differential pressure and temperature | Z. Paul Akian | 1997-12-30 |
| 5611923 | Filter assembly having quick connect/disconnect sealing valve means | Z. Paul Akian, Steven H. Parker, Robert F. Udell, Michael M. Leitzell, David K. Nees +1 more | 1997-03-18 |