Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992588 | Open state maintainable valve device for an inflatable article | Tsung-Ping Yen | 2011-08-09 |
| D634384 | Bowl-shaped inflatable for aquatic activities | Tsung-Ping Yen | 2011-03-15 |