Patents per Year
Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7182858 | Multiple barrier filter apparatus | Keith E. Brown, Paul Peterson, Stuart Park, Ron Kindel, John W. Miller +1 more | 2007-02-27 | |
| 6878343 | Devices and housings for test sample preparation | Dean C. Delben, Daniel S. Vitkuske | 2005-04-12 | $15,204,000 |
| 5601711 | Selective separation filter device | Peter L. Graham, Jane Larson | 1997-02-11 | |
| 5472606 | Self-supporting, pleated, spirally wound filter | William C. Steere | 1995-12-05 | $1,291,000 |
| 5403482 | Self-supporting, pleated, spirally wound filter and the corresponding process of making | William C. Steere | 1995-04-04 | $1,168,000 |
| 5308483 | Microporous filtration funnel assembly | Tod Borton | 1994-05-03 | $588,000 |