Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499960 | Control circuit for a heat-dissipation fan | — | 2002-12-31 |
| 6398414 | Structure of a bearing | — | 2002-06-04 |
| 6338575 | Self-lubricating bearings and assemblies thereof | — | 2002-01-15 |
| 6309190 | Shaft supporting structure for an axial fan | — | 2001-10-30 |
| 5884645 | Collapsible sunshade | Wu-Hsiung Chen | 1999-03-23 |
| 5069333 | Namecard holder and dispenser | — | 1991-12-03 |