Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871559 | Methods for preservation of foodstuffs | Joseph E. Dunn, R. Wayne Clark, John F. Asmus, Jay S. Pearlman, Fraincois Painchaud +1 more | 1989-10-03 |
| 4867796 | Photodecontamination of surfaces | John F. Asmus | 1989-09-19 |