Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007569 | Quantifying stress reduction and medical treatment as a result of colored light therapies | Richard E. Frenkel | 1999-12-28 |
| 5064410 | Stress control system and method | Richard E. Frenkel | 1991-11-12 |