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Novelty values

American Inventions: A History of Curious, Extraordinary, and Just Plain Useful Patents by Stephen Van Dulken, New York University Press, $26.95, ISBN 0814788130 (to be published in next month) Reviewed by Barry Fox

SEVEN million US patent have been filed since the American Constitution was agreed. Only a few thousand of these cover inventions that have changed the world, characterised the American dream or just make fun reading. To sift them out, distil often turgid text into a few pithy words and collate the results into a dozen seamless chapters may sound simple. Only someone who has worked with patents will understand the scale of the task. Stephen Van Dulken does work with patents, at the British Library, and has done the job for you in American Inventions. No one else need now do it.

Van Dulken has also added useful and entertaining background information on a few invention favourites, such as wide-screen cinema, breast implants, chewing gum and the Segway human transporter. The book is still rather too rich for a straight-through read, but it makes an excellent readable reference work. As such, American Inventions is condemned to be plundered and plagiarised.

¿ìè¶ÌÊÓÆµpapers now have an easy way to look up an anti-hijack device that kills suspect passengers, reveal the patented recipe for Kentucky Fried Chicken, appear knowledgeable on Preston Tucker’s car, the origins of fax and voicemail, check Barbie’s birthdate and remind us that Black and Decker patented their first electric drill in 1913.

But patents are not always protection: they can block progress, or even make a manufacturer more vulnerable to its competitors. CERN decided not to patent Tim Berners-Lee’s work on the world wide web, so as not to restrict the flow of information. Coca-Cola chose not patent its recipe, simply to keep it unpublished.

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