Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645080 | Waist supported carrying case including a back support | — | 1997-07-08 |
| 5643184 | Back support with knee and foot engaging straps | — | 1997-07-01 |
| 5607202 | Collapsible back support | Jack K. Hockenberry | 1997-03-04 |