Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226988 | N-substituted paramenthane carboxamides | David G. Rowsell, David J. Spring | 1980-10-07 |
| 4193936 | N-substituted paramenthane carboxamides | David G. Rowsell, David J. Spring | 1980-03-18 |
| 4190643 | Compositions having a physiological cooling effect | David G. Rowsell, David J. Spring | 1980-02-26 |