Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810204 | Low profile vaporizer | Ralf Grone, Debra Park, Mengtao He, Kristopher Stathakis | 2004-10-26 |
| 6714725 | Vapor-dispensing device | Ralf Grone, Debra Park, Mengtao He, Kristopher Stathakis | 2004-03-30 |