Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7347406 | Shut-off valve and method of shutting off opening of vacuum chamber | — | 2008-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7347406 | Shut-off valve and method of shutting off opening of vacuum chamber | — | 2008-03-25 |