Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10075389 | Tiered priority system and callout performance booster | Jack Chiu-Chiu Yuan, Elvis B. Halcrombe, Jeffrey L. Maddix | 2018-09-11 |
| 10033661 | Tiered priority system and callout performance booster | Jack Chiu-Chiu Yuan, Elvis B. Halcrombe, Jeffrey L. Maddix | 2018-07-24 |
| 9982787 | Gate valve with secure sealing mechanism | Shu Huang | 2018-05-29 |