Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5057217 | Integral supported filter medium assembly | John H. Lutz, James L. Manniso, Gordon Raymond Smith | 1991-10-15 |
| 4931178 | Filter cloth assembly | James L. Manniso, John H. Lutz | 1990-06-05 |