Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6317629 | Iontophoretic drug delivery apparatus | Ronald P. Haak, J. Richard Gyory, Robert M. Myers, Felix A. Landrau, Lothar W. Kleiner +1 more | 2001-11-13 |
| 6169920 | Iontophoretic drug delivery apparatus | Ronald P. Haak, Robert M. Meyers, Felix A. Landrau, Lothar W. Kleiner, J. Richard Gyory | 2001-01-02 |
| 4940586 | Skin permeation enhancer compositions using sucrose esters | Yu-Ling Cheng, Robert M. Gale, Edna Sugihara | 1990-07-10 |
| 4900555 | Skin permeation enhancer compositions using sucrose esters | Yu-Ling Cheng, Robert M. Gale, Edna Sugihara | 1990-02-13 |
| 4865848 | Skin permeation enhancer compositions using sucrose esters | Yu-Ling Cheng, Robert M. Gale, Edna Sugihara | 1989-09-12 |
| 4820720 | Transdermal drug composition with dual permeation enhancers | Yu-Ling Cheng, David J. Enscore, Shari B. Libicki | 1989-04-11 |
| 4764379 | Transdermal drug delivery device with dual permeation enhancers | Yu-Ling Cheng, David J. Enscore, Shari B. Libicki | 1988-08-16 |