Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D948698 | Panel for a vent fan | Tien-Tsai Huang | 2022-04-12 |
| D489420 | Flying carpet toy | — | 2004-05-04 |
| D452447 | Clock with movable advertisement signs | William H. K. Chu | 2001-12-25 |
| D438900 | Alarm with perpetual calendar suitable for traveler | William H. K. Chu | 2001-03-13 |
| D438557 | Calculator | William H. K. Chu | 2001-03-06 |
| D438237 | Calculator | William H. K. Chu | 2001-02-27 |
| D438238 | Calculator | William H. K. Chu | 2001-02-27 |
| D436621 | Alarm with perpetual calendar for traveler | William H. K. Chu | 2001-01-23 |
| D435550 | Electronic notebook | William H. K. Chu | 2000-12-26 |
| D434070 | Calculator with perpetual calendar | William H. K. Chu | 2000-11-21 |
| D430871 | Electronic notebook suitable for traveler | William H. K. Chu | 2000-09-12 |
| D430566 | Electronic notebook suitable for traveler | William H. K. Chu | 2000-09-05 |
| D427629 | Calculator with perpetual calendar suitable for traveler | William H. K. Chu | 2000-07-04 |
| D427630 | Desk calculator with perpetual calendar | William H. K. Chu | 2000-07-04 |
| D427237 | Desk calculator with perpetual calendar | William H. K. Chu | 2000-06-27 |