yes, he was even inventor!!! It took away some of my illusion, but the gap was refilled with fascination and the realisation that these people are real entrerpreneurs.
http://www.google.com/patents?id=MAUgAAAAEBAJ&printsec=frontcover&dq=us+5,255,452&hl=en&ei=tvflTeLQNJHpOZPR8cAJ&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCgQ6AEwAA
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