Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11390110 | Multi-purpose combination writing instrument | Jason Chen | 2022-07-19 |
| D895726 | Writing instrument | Jason Chen | 2020-09-08 |
| 10414202 | Multi-purpose combination writing instrument | Jason Chen | 2019-09-17 |
| 4644336 | Color display of related parameters | — | 1987-02-17 |
| 4631533 | Display of eddy current detector data | — | 1986-12-23 |