Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9128828 | Exam notification timer device | Jorge L. Estrada, Henry Chen | 2015-09-08 |
| 8699306 | Silent alarm and exam notification timer device | Jorge L. Estrada, Henry Chen | 2014-04-15 |