Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5273563 | Filter media retaining assembly for an air filter | Roger M. Pasch, James R. Enright, Karen M. Zimmerman, Dale M. Evans | 1993-12-28 |
| 5273564 | One piece filter media framework | — | 1993-12-28 |