Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10512531 | Filter delivery system | Alexander W. Tessmer, David G. Spilka, Andrzej J. Chanduszko, Robert M. Carr, Jr. | 2019-12-24 |
| 9693851 | Filter delivery system | Alexander W. Tessmer, David G. Spilka, Andrzej J. Chanduszko, Robert M. Carr, Jr. | 2017-07-04 |
| 8992562 | Filter delivery system | Alexander W. Tessmer, David G. Spilka, Andrzej J. Chanduszko, Robert M. Carr, Jr. | 2015-03-31 |
| 7794473 | Filter delivery system | Alexander W. Tessmer, David G. Spilka, Andrzej J. Chanduszko, Robert M. Carr, Jr. | 2010-09-14 |