Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5614105 | Cartridge filters with insoluble enzyme particulates contained thereon | Steven M. Heilmann, Gary J. Drtina, Louis C. Haddad, Frederick W. Hyde, Todd W. Johnson | 1997-03-25 |