Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9381469 | Radial split ring seal for filtration systems | Frederick K. Lesan, Victor Verbeek, Peter F. Metcalfe | 2016-07-05 |
| 8758489 | Radial split ring seal for filtration systems | Frederick K. Lesan, Victor Verbeek, Peter F. Metcalfe | 2014-06-24 |
| 8728213 | Radial split ring seal for filtration systems | Frederick K. Lesan, Victor Verbeek, Peter J. Metcalfe | 2014-05-20 |