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No and no. Someone can only obtain a patent who “invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof.” For example, someone who manufactured a typewriter generally would only be able to patent the physical design of the typewriter itself and the process of creating letters on paper, but not he letters themselves. (Now, if he also invented the font that the typwriter typed in, he could copyright the font. But he could not obtain a patent on the letters, as they are not a “process” or aphysical entity.)
However, the “typewriter inventor” could certainly charge for more than the sale of the first one. If he properly obtained a patent on it, The law states that a patent is designed “to exclude others from making, using, offering for sale, or selling the invention throughout the United States or importing the invention into the United States” for a certain amount of time. So, he could prevent anyone from selling or producing the same typewriter.