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Worldwide Patent & Invention Websites

Here is a list of the major patent sites from all over the world. I have also included links to a few useful articles and patent process assistance companies (those deemed safe by technical reviewers).

Click here to get the AlternaTIFF browser plug-in to permit viewing of patent images. IE does not ship with a TIFF image viewer, and one is required to view patent images on both the USPTO site and the FreePatentsOnline.
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More than 10,000 searchable pages indexed.

Your RF Cafe
Progenitor & Webmaster

Click here to read about RF CafeKirt Blattenberger... single-handedly redefining what an engineering website should be.

View the YouTube RF Cafe Intro Video Carpe Diem!
(Seize the Day!)

5th MOB: My USAF radar shop

Airplanes and Rockets: My personal hobby website

Equine Kingdom: My daughter Sally's horse riding website