Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11648485 | Toy robot | Michael Blaustein, Elizabeth M. Ganrude | 2023-05-16 |
| D890861 | Toy robot | Michael Blaustein, Elizabeth M. Ganrude | 2020-07-21 |
| 7351062 | Educational devices, systems and methods using optical character recognition | Gayle E. Gordon, Victor Kwok-ho Ng, Po Man Yuen | 2008-04-01 |
| 6532314 | Talking toy scanner | Tirza Ernst, Samuel Nguy | 2003-03-11 |
| 6179682 | Teaching toy telephone | Wai Hing Kim, Yau Chung Siu | 2001-01-30 |
| D420405 | Teaching toy telephone | Lonnie C. Pogue, Brian Macowski | 2000-02-08 |
| D377949 | Digital/analog teaching clock | Richard Woldenberg, Jane Woldenberg, Tirza Ernst | 1997-02-11 |