Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9392872 | Multi-directional body motion stack chair | Maurice F. Johnson, William Risdall | 2016-07-19 |
| 9072384 | Multi-directional body motion stack chair | Maurice F. Johnson, William Risdall | 2015-07-07 |