Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9375599 | Assisted apparatus for lower back exercise | — | 2016-06-28 |
| 8529413 | Apparatus and method for lower back exercise | — | 2013-09-10 |
| 7473212 | Apparatus for lower back exercise | — | 2009-01-06 |
| 7238148 | Force swing exercise apparatus | — | 2007-07-03 |
| 6491607 | Apparatus and method for lower back exercise | Allen K. Johnson, George Johns | 2002-12-10 |
| 5356359 | Method and apparatus for improved lower back exercise | — | 1994-10-18 |