Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366632 | Glass microbead filter and method of filtering | William V. Balsimo | 1994-11-22 |
| 4971736 | Method of preparing composite chromatographic article | Donald F. Hagen, Louis A. Errede | 1990-11-20 |
| 4906378 | Composite chromatographic article | Donald F. Hagen, Louise A. Errede | 1990-03-06 |
| 4810381 | Composite chromatographic article | Donald F. Hagen, Louis A. Errede, Peter W. Carr | 1989-03-07 |