Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8986432 | Meltblown filter medium, related applications and uses | John A. Wertz, David T. Healey, William S. Freeman, Mark Rowlands | 2015-03-24 |
| 8608817 | Meltblown filter medium | John A. Wertz, David T. Healey, William S. Freeman, Mark Rowlands | 2013-12-17 |