Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778467 | Underwater sounding apparatus | Shinji Ishihara | 2004-08-17 |
| 6689182 | Method and device for producing molten iron | Shuzo Ito, James C. Simmons, Robert F. Edgar | 2004-02-10 |