Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6143278 | Topical application of opioid analgesic drugs such as morphine | — | 2000-11-07 |
| 5919473 | Methods and devices for delivering opioid analgesics to wounds via a subdermal implant | — | 1999-07-06 |
| 5866143 | Topical application of opioid drugs such as morphine for relief of itching and skin disease | — | 1999-02-02 |
| 5834480 | Topical application of opioids for treatment of acne and sebaceous gland disorders | — | 1998-11-10 |
| 5589480 | Topical application of opioid analgesic drugs such as morphine | Christoph Stein | 1996-12-31 |