EE as wider relevant

Free (US?) patent searches from July 1974 including download of PDFs 
free.
Haven't found out what the catch is yet :-)

    http://www.freepatentsonline.com/

They say:
                    The FreePatentsOnline.com database contains all 
patents published by the USPTO since number 4,000,000. New patents are 
published by the USPTO every Tuesday, and are automatically added to 
our database. Images may be viewed from the patent text pages. Your 
search terms will be highlighted on the full-text pages for ease of 
locating.

US patent 4,000,000 is dated July 15 1974


            RM 

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