Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580459 | Filtration structures of wet laid, bicomponent fiber | Edward J. Powers, Steve Nielsen, Jeanne E. Smith | 1996-12-03 |
| 5462973 | Separation of polyethylene terephthalate and polyvinyl chloride using supercritical carbon dioxide | George A. Serad | 1995-10-31 |
| 5336286 | High efficiency air filtration media | Paul R. Alexander, Jr., Donald G. Cain, Erika J. Dougherty | 1994-08-09 |
| 5066697 | Polybenzimidazole solutions | Robert Bruce Sandor | 1991-11-19 |