Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854708 | High-vacuum valve with retractable valve plate to eliminate abrasion | Neli Ulea | 2005-02-15 |
| 5116023 | Low vibration high vacuum gate valve | — | 1992-05-26 |
| 4904141 | Manipulating device for high vacuum chamber | — | 1990-02-27 |
| 4718637 | High vacuum gate valve having improved metal vacuum joint | — | 1988-01-12 |
| 4681329 | High vacuum gate valve having improved metal vacuum seal joint | — | 1987-07-21 |