Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9649243 | Body lift-assist walker device | Douglas E. Johnson, John A. Hauck, Mark Thomas Johnson, Peter M. Bobgan | 2017-05-16 |
| 9561149 | Suspension and body attachment system and differential pressure suit for body weight support devices | Douglas E. Johnson, John A. Hauck, Mark Thomas Johnson | 2017-02-07 |
| 9554964 | Suspension and body attachment system and differential pressure suit for body weight support devices | Douglas E. Johnson, John A. Hauck, Mark Thomas Johnson | 2017-01-31 |
| 9492258 | Portable system for assisting body movement | Douglas E. Johnson, John A. Hauck, Mark Thomas Johnson | 2016-11-15 |
| 9445880 | Portable system for assisting body movement | Douglas E. Johnson, John A. Hauck, Mark Thomas Johnson | 2016-09-20 |
| 8663133 | Portable system for assisting body movement | Douglas E. Johnson, John A. Hauck, Mark Thomas Johnson | 2014-03-04 |