Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10335855 | Additive manufacturing of functionally gradient degradable tools | John C. Welch, Zhiyue Xu, James Andy Oxford | 2019-07-02 |
| 10196875 | Deployment of expandable graphite | Lei Zhao, Caleb R. Newman, Zhiyue Xu | 2019-02-05 |
| 10174581 | Method and apparatus to utilize a deformable filler ring | Carlos A. Prieto, John K. Wakefield, Aubrey C. Mills | 2019-01-08 |