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I'm not saying that's what the battery is, mind you; I'm saying 'suppose'." "O.K., suppose," said Siegel. "Couldn't you patent it?" "What's to patent? The Pb-PbO2-H2SO4 cell is about half as old as the United States Patent Office itself. Can't patent that. Copper oxide, maybe, as a depolarizer? Old hat; can't patent that. Laminated plates, maybe? Nope. Can't patent that, either."
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