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Links about patents
   Gallery of Obscure Patents [cat exercise]
While a lot of the patents filed at the U.S. Patent Office are boring and mundane specifications of uninteresting ideas that never took off, there are true gems among them. This site collects the more astounding ones, and it is well worth a lengthy visit and a hearty laugh.
   U.S. Patent Office
Printed patents may be ordered though the mail for $3 from the Patent and Trademark Office, Washington D.C. 20231.

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