2037687
9781579123673
The first American patent was conferred on Thomas Jefferson in 1790, since when over six million patents have been filed. This book looks at 120 of the most important, intriguing & useful, including the bra, bubblewrap, DNA fingerprinting & the aeroplane.Ikenson, Ben is the author of 'Patents Ingenious Inventions -- How They Work and How They Came to Be', published 2004 under ISBN 9781579123673 and ISBN 1579123678.
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