Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12196724 | Hardness tester | Richard Wu | 2025-01-14 |
| 9581533 | Modular hardness testing machine | Richard Wu | 2017-02-28 |
| 8132447 | Universal testing machine | Richard Wu | 2012-03-13 |
| 7284414 | Hardness testing device | — | 2007-10-23 |
| 7066013 | Hardness tester | — | 2006-06-27 |