Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963648 | Original cover closer | Tsutomu Katsumata | 2011-06-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7963648 | Original cover closer | Tsutomu Katsumata | 2011-06-21 |