Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661909 | Blade mounting device in cutting tool | Masayoshi Kondo, Kunio Amano, Hideki Okubo | 1997-09-02 |
| 5622035 | Quick blade attachment structure for mowers | Masayoshi Kondo, Hideki Okubo | 1997-04-22 |