Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6568541 | Tortuous path filter | Joseph A. Koreis, Karl Thomas | 2003-05-27 |
| 5481790 | Method for allowing selective access to the interior of fluid containment structures | Joseph A. Koreis | 1996-01-09 |