Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986636 | Viewing glass for vacuum apparatus | Katrin Wilmers | 1991-01-22 |
| 4647011 | Magnetic valve for use with vacuum | Gerhard Jokisch, Francesco Vittori | 1987-03-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986636 | Viewing glass for vacuum apparatus | Katrin Wilmers | 1991-01-22 |
| 4647011 | Magnetic valve for use with vacuum | Gerhard Jokisch, Francesco Vittori | 1987-03-03 |