Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10365079 | Igniter and ignition device for downhole setting tool power charge | Kevin Edgar Harrington, Zhiyue Xu, YingQing Xu, Lei Zhao, Kent S. Meyer | 2019-07-30 |
| 4599934 | Gas operated firearm | — | 1986-07-15 |