Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909175 | Filter assemblies | Richard Gutman, Kenneth Roy Weight, Nicholas L. Yoward, Michael Grimes | 2011-03-22 |
| 6494936 | Filter assemblies | — | 2002-12-17 |
| 5798037 | Filter element having laser marked plastic components | — | 1998-08-25 |
| D374476 | Cylindrical cage for a filter | Roger E. Page, James T. Connors, Jr. | 1996-10-08 |