Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6194210 | Hepatitis A virus culture process | Douglas B. Seifert | 2001-02-27 |
| 5721120 | Method of disrupting cultured cells using an impinging jet device | Douglas B. Seifert | 1998-02-24 |