Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5762669 | Filtration arrangement | Susan B. Reinhart, Denis J. Dudrey, John T. Herman | 1998-06-09 |
| 5762670 | Filtration arrangement | Susan B. Reinhart, Denis J. Dudrey, John T. Herman | 1998-06-09 |
| 5672399 | Filter material construction and method | Denis J. Dudrey | 1997-09-30 |
| 5669949 | Air filtration arrangement | Denis J. Dudrey, Erland D. Anderson | 1997-09-23 |
| 5622537 | Filtration arrangement | Susan B. Reinhart, Denis J. Dudrey, John T. Herman | 1997-04-22 |
| 5423892 | Filtration arrangement | Susan B. Reinhart, Denis J. Dudrey, John T. Herman | 1995-06-13 |
| 5364456 | Filtration arrangement and method | Susan B. Reinhart, Denis J. Dudrey, John T. Herman | 1994-11-15 |
| 5238474 | Filtration arrangement | Susan B. Reinhart, Denis J. Dudrey, John T. Herman | 1993-08-24 |
| 5082476 | Filtration arrangement and method | Susan B. Reinhart, Denis J. Dudrey, John T. Herman | 1992-01-21 |