Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6913786 | Laminated edge filter structure and method of making | Stephen Proulx, David DeCoste, Mark Carroll, Brian Pereira, George T. Perivolotis +1 more | 2005-07-05 |
| 5980759 | Dual media filter cartridge construction | Stephen Proulx, John Burns | 1999-11-09 |
| 5477155 | Current flow integrity test | Stephen Proulx, John Burns, Scott Emory, Richard W. Gray | 1995-12-19 |