Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797527 | Electrode for electric discharge machining and method for producing the same | Kenji Yamamoto, Yoshihisa Tawada | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797527 | Electrode for electric discharge machining and method for producing the same | Kenji Yamamoto, Yoshihisa Tawada | 1989-01-10 |