Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7140879 | Soft saliva ejector | — | 2006-11-28 |
| D452447 | Clock with movable advertisement signs | Min-Hua Lin | 2001-12-25 |
| D438900 | Alarm with perpetual calendar suitable for traveler | Min-Hua Lin | 2001-03-13 |
| D438557 | Calculator | Min-Hua Lin | 2001-03-06 |
| D438238 | Calculator | Min-Hua Lin | 2001-02-27 |
| D438235 | Calculator | Shu-Chia Chang | 2001-02-27 |
| D438237 | Calculator | Min-Hua Lin | 2001-02-27 |
| D437351 | Calculator with perpetual calendar | Shu-Chia Chang | 2001-02-06 |
| D436992 | Alarm with perpetual calendar suitable for traveler | Shu-Chia Chang | 2001-01-30 |
| D436621 | Alarm with perpetual calendar for traveler | Min-Hua Lin | 2001-01-23 |
| D435550 | Electronic notebook | Min-Hua Lin | 2000-12-26 |
| D434070 | Calculator with perpetual calendar | Min-Hua Lin | 2000-11-21 |
| D433057 | Calculator | Shu-Chai Chang | 2000-10-31 |
| D430871 | Electronic notebook suitable for traveler | Min-Hua Lin | 2000-09-12 |
| D430566 | Electronic notebook suitable for traveler | Min-Hua Lin | 2000-09-05 |
| D429272 | Combination calculator and world-time calendar | — | 2000-08-08 |
| D427630 | Desk calculator with perpetual calendar | Min-Hua Lin | 2000-07-04 |
| D427629 | Calculator with perpetual calendar suitable for traveler | Min-Hua Lin | 2000-07-04 |
| D427237 | Desk calculator with perpetual calendar | Min-Hua Lin | 2000-06-27 |
| 5604688 | Message display calculator | Richard Waldinger | 1997-02-18 |
| 5249956 | Multifuel heater | — | 1993-10-05 |
| D332620 | Calculator | — | 1993-01-19 |
| 5137445 | Multifuel heater | — | 1992-08-11 |
| D309627 | Calculator | — | 1990-07-31 |
| D308984 | Calculator | — | 1990-07-03 |