Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10461711 | Method and apparatus for outputting audio signal, method for controlling volume | — | 2019-10-29 |
| 7745715 | Method for generating audio data and user terminal and record medium using the same | — | 2010-06-29 |
| 5697828 | Toy coin bank with audio signal | Robert E. Smathers, Steven Vetter, Sheldon F. Goldberg, Jordan Kort | 1997-12-16 |