Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10842948 | Retractable syringe | — | 2020-11-24 |
| 8910449 | Washer assembly and arcuate threaded fastener | John T. Burke | 2014-12-16 |
| 8528273 | Washer | John T. Burke | 2013-09-10 |
| 8114051 | Retractable syringe | Feiyan Tan | 2012-02-14 |
| 8079980 | Single use syringe | Feiyan Tan | 2011-12-20 |
| 7806860 | Safety syringe with plunger locking means | Graeme Francis Walton | 2010-10-05 |