...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 |
| 6413190 | Rehabilitation apparatus and method A system for rehabilitative therapy including a muscle contraction or body movement sensor coupled to a converter or interface, which is in turn coupled to a computer input port. The system includes software running on the computer for obtaining patient d... | 07/02/2002 |