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Coffee Patents
January 31, 2007 Posted by Chris Tingom Filed under Coffee
Did you know that Google launched a search engine for the USPTO? I have been searching around looking at the various coffee inventions, and stumbled across this one from 1934.
Jason Haeger says:
Sweet.. a vacuum brewer.
Chris Tingom says:
;-) Pretty cool, huh? There’s a ton of good illustrations. Someone could make a sweet poster with some of them.