Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703123 | Method for causing a physiological cooling effect to the skin or mucosa involving the application of carbonic acid esters | Ralf Pelzer, Horst Surburg | 1997-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703123 | Method for causing a physiological cooling effect to the skin or mucosa involving the application of carbonic acid esters | Ralf Pelzer, Horst Surburg | 1997-12-30 |