...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 |
| 6430883 | Wall system A wall system includes a grid constructed of horizontal main support channels mounted on a fixed wall and a plurality of spaced vertical standards secured to the channels at the front thereof. Each channel has a U-shaped cross-section with rearwardly exte... | 08/13/2002 |