Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4984127 | Control system for precision spinal adjustment | Joseph M. Evans, James B. Sullivan | 1991-01-08 |
| 4841955 | Chiropractic adjustor | Joseph M. Evans | 1989-06-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4984127 | Control system for precision spinal adjustment | Joseph M. Evans, James B. Sullivan | 1991-01-08 |
| 4841955 | Chiropractic adjustor | Joseph M. Evans | 1989-06-27 |