Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1016738 | Battery pack | Chung-Hui Chen, Ming Che Chan, Shen-Yuan Chien, Tannan Whidden Winter | 2024-03-05 |
| D1003832 | Uninterruptible power supply | Chung-Hui Chen, Ming Che Chan, Shen-Yuan Chien, Tannan Whidden Winter | 2023-11-07 |
| D961511 | Uninterruptible power supply | Chung-Hui Chen, Ming Che Chan, Shen-Yuan Chien, Tannan Whidden Winter | 2022-08-23 |
| D952551 | Battery pack | Chung-Hui Chen, Ming Che Chan, Shen-Yuan Chien, Tannan Whidden Winter | 2022-05-24 |
| 6982861 | Sole structure for electrostatic dissipative footwear and method of making same | Donald Jensen | 2006-01-03 |
| 6721161 | Sole structure for electrostatic dissipative footwear and method of making same | Donald Jensen | 2004-04-13 |
| D467060 | Shoe sole | James Randesi | 2002-12-17 |
| 5007184 | Safety shoe | — | 1991-04-16 |