Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413917 | Extreme-pressure additive, process for producing the same, cutting fluid, and grinding fluid | Shigeru Yamada | 2002-07-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413917 | Extreme-pressure additive, process for producing the same, cutting fluid, and grinding fluid | Shigeru Yamada | 2002-07-02 |