Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939466 | Graded particle-size retention filter medium for fluid filtration unit with improved edge seal | John L. Pulek, William Larsen, C. Paul, Clifford L. Schorr, Francis J. Swiatek | 2005-09-06 |