Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D412568 | Cover for a housing for an air cleaner | Dennis E. Ward, Paul Coulonvaux, Johan G. Dewit, Jeffrey J. Ivarson | 1999-08-03 |
| D412567 | Housing for an air cleaner | Dennis E. Ward, Paul Coulonvaux, Johan G. Dewit, Jeffrey J. Ivarson | 1999-08-03 |
| D401306 | Filter element | Dennis E. Ward, Paul Coulonvaux, Johan G. Dewit, Jeffrey J. Ivarson | 1998-11-17 |