Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820720 | Transdermal drug composition with dual permeation enhancers | Harold F. Sanders, Yu-Ling Cheng, David J. Enscore | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820720 | Transdermal drug composition with dual permeation enhancers | Harold F. Sanders, Yu-Ling Cheng, David J. Enscore | 1989-04-11 |