Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10705033 | Sample handling apparatus for pressurized fluids and X-ray analyzer applications thereof | Joseph SPINAZOLA, Zewu Chen, Daniel Dunham | 2020-07-07 |
| 8625737 | Sample module with sample stream supported and spaced from window, for X-ray analysis system | Zewu Chen, Sony Cheriyan, Kai Xin | 2014-01-07 |
| 5292205 | Backup protection for sealed structural expansion joints | Bertram V. Burke, David M. Hall | 1994-03-08 |
| 5141358 | Protection of elevated roadways at expansion joints | Bertram V. Burke, David M. Hall | 1992-08-25 |