Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D768538 | Cufflink | Donny Chen, Frederick Li | 2016-10-11 |
| 8380577 | Methods, systems, computer products, and website for progressive E-commerce | Donny Chen, Frederick Li | 2013-02-19 |
| 8220075 | Multi-tool collar stay | Donny Chen, Frederick Li | 2012-07-17 |