Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950911 | Single stage root type-vacuum pump and vacuum fluid transport system employing the single stage root type-vacuum pump | Tetsushi Ohtsuka | 2011-05-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7950911 | Single stage root type-vacuum pump and vacuum fluid transport system employing the single stage root type-vacuum pump | Tetsushi Ohtsuka | 2011-05-31 |