Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11541610 | Method and apparatus for suction alignment | Daping Chu | 2023-01-03 |
| 10700804 | Optical switching systems | Brian Robertson, Daping Chu, Haining Yang | 2020-06-30 |
| 10491322 | Optical switching systems | Brian Robertson, Daping Chu, Haining Yang | 2019-11-26 |
| 8061926 | Crash barrier beam | Mark Riddell, Leslie J. Wall, John L. Addy, Mark G. Reynolds | 2011-11-22 |
| D574510 | Safety barrier | Mark Riddell, Leslie J. Wall, John L. Addy, Mark G. Reynolds | 2008-08-05 |
| D574511 | Safety barrier | Mark Riddell, Leslie J. Wall, John L. Addy, Mark G. Reynolds | 2008-08-05 |