...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 |
| 7347759 | Self-propelled toy duck A self-propelled aquatic apparatus having a duck shaped body, wherein the body is partially filled with floatation material, a base, a waterproof battery container, a battery, a battery compartment, an electro-mechanical propulsion mechanism having a pair of webbed ... | 03/25/2008 |