Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11800010 | System for controlling and screening incoming calls | — | 2023-10-24 |
| 6474140 | System for testing properties of materials | Chi-Neng Arthur Han, Robert K. Yang | 2002-11-05 |
| 6230548 | System for testing properties of materials | Chi-Neng Arthur Han, Robert K. Yang | 2001-05-15 |
| 5228149 | Fastening means and method for shower curtain | — | 1993-07-20 |