Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698330 | Somnogenic compositions and method of use | James M. Krueger, John R. Pappenheimer, Pierre Lefrancier, Jean Choay, Louis Chedid +1 more | 1987-10-06 |
| 4342748 | Sleep-promoting factor | John R. Pappenheimer, James M. Krueger | 1982-08-03 |