Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655938 | Screw-type dry vacuum pump having an enlarged casing portion | Kiyoshi Yanagisawa | 2003-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655938 | Screw-type dry vacuum pump having an enlarged casing portion | Kiyoshi Yanagisawa | 2003-12-02 |