Os Americanos j? n?o espantam ningu?m, fica aqui o link para um sitio web que mostra algumas das mais idiotas patentes realizadas pelos ianques!
Totally Absurd Inventions
America’s Goofiest Patents !
Featuring Real, USA Patented Inventions
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I saw that you have a page that discusses patent-related resources at http://zone41.org/index.php?p=33. I wanted to suggest adding http://www.freepatentsonline.com to the page. This web site has free PDF downloading (instead of having to page through TIFFs like at the US PTO). It is by far the best free patent searching site.