Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5681469 | Melt-blown filtration media having integrally co-located support and filtration fibers | Charles S. Hoffman, Jr., Clinton V. Kopp, Robert J. Schmitt, Anthony C. Shucosky | 1997-10-28 |
| 5591335 | Filter cartridges having nonwoven melt blown filtration media with integral co-located support and filtration | Charles S. Hoffman, Jr., Clinton V. Kopp, Robert J. Schmitt, Anthony C. Shucosky | 1997-01-07 |