Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846440 | Valve with metal diaphragm and flat surface valve body | Lee R. Carlson, Mike Green, Rudy Nissen, Steve Sheng | 1989-07-11 |
| 4815100 | Gas resupply valve with microscopic aperture for gas lasers | Lee R. Carlson, Mike Green, Rudy Nissen, Steve Sheng | 1989-03-21 |