Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755281 | Swimming pool ladder | Hua Hsiang Lin, Shen Wu Wong | 2004-06-29 |
| 6571405 | Large capacity reinforced swimming pool | Hua Hsiang Lin, Yaw Yuan Hsu, Jia-Hua Chen | 2003-06-03 |
| 6299420 | Dual action air pump | Hua Hsiang Lin, Yaw Yuan Hsu | 2001-10-09 |
| 6296459 | Electric air pump having multiple impellers and method | Hua Hsiang Lin | 2001-10-02 |
| 6287095 | Internal air pump for inflatables | Hua Hsiang Lin | 2001-09-11 |
| 6257550 | Drain valve adapter for aqueous container | Hua Hsiang Lin, Yaw Yuan Hsu | 2001-07-10 |
| 6164314 | Oversized air valve for use with inflatable devices and method | Hua Hsiang Lin | 2000-12-26 |
| 5813946 | Inflatable jumping toy and method | Hua Hsiang Lin, Yaw Yuan Hsu, Yu-Fu Hsiao | 1998-09-29 |
| D389875 | Inflatable jumping toy | Hua Hsiang Lin, Yaw Yuan Hsu, Yu-Fu Hsiao | 1998-01-27 |
| 4734946 | Knock down foundation for a flotation bed | — | 1988-04-05 |