Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689904 | Hard plate for spiked track shoes | Akira Kataoka, Ryuichi Tsukita, Toshio Suma, Kiyohiro Saito | 1997-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689904 | Hard plate for spiked track shoes | Akira Kataoka, Ryuichi Tsukita, Toshio Suma, Kiyohiro Saito | 1997-11-25 |