Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880820 | Guanine derivatives | Wallace T. Ashton, Laura F. Canning, Richard L. Tolman | 1989-11-14 |
| 4816447 | Anti-viral guanine compounds | Wallace T. Ashton, John D. Karkas, Richard L. Tolman | 1989-03-28 |
| 4283393 | Topical application of interferon inducers | Richard J. Harwood | 1981-08-11 |
| 4198479 | Replacement of animal serum proteins by human albumin for growth and interferon production by Namalva cells | Alfred A. Tytell, Edgar M. Scattergood | 1980-04-15 |