Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012074 | Stability ball control device with radial control surfaces of increasing widths | Samuel S. Hollander | 2011-09-06 |
| 7942796 | Stability ball control device with radial control surfaces of increasing widths | Samuel S. Hollander | 2011-05-17 |