Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11054058 | Actively cooled vacuum isolation valve | Gordon Hill, David F. Broyer, David Neumeister | 2021-07-06 |
| 9206919 | Corrosion and deposition protected valve apparatus and method | David Neumeister, Kevin Grout, Youfan Gu | 2015-12-08 |