Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765465 | Eating utensils having a sound generating means | Katuyuki Yamada | 1988-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765465 | Eating utensils having a sound generating means | Katuyuki Yamada | 1988-08-23 |