Issued Patents All Time
| 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 |
| 4788062 | Transdermal administration of progesterone, estradiol esters, and mixtures thereof | Robert M. Gale, David J. Enscore, Diane E. Nedberge, Melinda K. Nelson, Yu-Ling Cheng | 1988-11-29 |
| 4764379 | Transdermal drug delivery device with dual permeation enhancers | Harold F. Sanders, Yu-Ling Cheng, David J. Enscore | 1988-08-16 |