Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12059370 | Flexible skin therapy device having phosphorus material with light and transparent electrical stimulation layers | Michael Hall, John C. Castel | 2024-08-13 |
| 11083619 | Organic LED light and ultrasonic transducer device in a flexible layer configuration with electrical stimulation | Michael Hall, John C. Castel | 2021-08-10 |
| 9561357 | Light and ultrasonic transducer device for skin therapy | Michael Hall, John C. Castel | 2017-02-07 |
| 9061128 | Light and/or ultrasonic transducer device with sensor feedback for dose control | Michael Hall, John C. Castel | 2015-06-23 |
| 6068606 | Back support belt | John C. Castel, Michael Hall | 2000-05-30 |
| 5188586 | Back support belt | John C. Castel, Michael Hall | 1993-02-23 |