Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655938 | Screw-type dry vacuum pump having an enlarged casing portion | Tokio Fukai | 2003-12-02 |
| 6553811 | Trap apparatus | Norihiko Nomura, Nobuharu Noji | 2003-04-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6655938 | Screw-type dry vacuum pump having an enlarged casing portion | Tokio Fukai | 2003-12-02 |
| 6553811 | Trap apparatus | Norihiko Nomura, Nobuharu Noji | 2003-04-29 |