Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5049274 | Friction welding process and filter formed thereby | Thomas A. Cain, Andrew Boast | 1991-09-17 |
| D310421 | Flat brick border section | Lavergne Nauseda | 1990-09-04 |
| 4828694 | Filter with filtration envelope spacing means | — | 1989-05-09 |
| 4749003 | Center flow check valve | — | 1988-06-07 |
| 4601820 | Low-profile inline filter | — | 1986-07-22 |
| 4547190 | Inlet blood filter assembly | — | 1985-10-15 |
| 4414172 | Process and apparatus for sealing a plurality of filter elements | — | 1983-11-08 |
| 4400277 | Low-profile inline filter | — | 1983-08-23 |