Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8474915 | Adjustable ergonomic chair | Benjamin G. Pratt, David J. Prince | 2013-07-02 |
| 8230521 | Lower body garment with integral back support | — | 2012-07-31 |
| 8052217 | Adjustable ergonomic chair | Benjamin G. Pratt, David J. Prince | 2011-11-08 |
| 7757305 | Lower body garment with integral back support | — | 2010-07-20 |
| 6086157 | Ergonomic chair | — | 2000-07-11 |
| 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 |
| 5375279 | Combination stretching and back support device | — | 1994-12-27 |
| 5235714 | Combination stretching and back support device | — | 1993-08-17 |
| 5083554 | Disposable back support | — | 1992-01-28 |
| 5001791 | Back support with integral carrying case and strap loop connector | — | 1991-03-26 |
| 4813080 | Upper torso garment with integral back support | — | 1989-03-21 |
| 4773106 | Back support | Stuart H. Spector | 1988-09-27 |