Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6746057 | Threaded joint for steel pipes having improved galling resistance and rust-preventing properties | Kunio Goto | 2004-06-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6746057 | Threaded joint for steel pipes having improved galling resistance and rust-preventing properties | Kunio Goto | 2004-06-08 |