Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697828 | Toy coin bank with audio signal | Robert E. Smathers, Steven Vetter, Sheldon F. Goldberg, Sang-Yeop Kwak | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697828 | Toy coin bank with audio signal | Robert E. Smathers, Steven Vetter, Sheldon F. Goldberg, Sang-Yeop Kwak | 1997-12-16 |