Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045313 | Vaccine for immunizing cats against toxoplasma oocyst shedding | Elmer R. Pfefferkorn | 1991-09-03 |
| 4473548 | Method of immunizing cats against shedding of Toxoplasma oocysts | Donald D. Smith | 1984-09-25 |
| 4473549 | Method for the immunization of animals and men against Toxoplasma gondii _ | Elmer R. Pfefferkorn | 1984-09-25 |
| 4391822 | Method for preventing cats from shedding Toxoplasma oocysts after infection of such cats | Donald D. Smith | 1983-07-05 |