Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7669862 | Foldable spider wheel for ascending and descending stairs | Steven Kamara, Michael Yang | 2010-03-02 |
| 7531026 | Deaeration device and method of use | Kevin T. Stone | 2009-05-12 |