Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 6077085 | Technology assisted learning The systems, methods and apparatus of preferred embodiments of the present invention provide an integrated instructional system directed to learning a specific task or concept. Some embodiments are particularly suited for language instruction and some emb... | 06/20/2000 |
