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Patented Cardboard

  /   Saturday November 18, 2006  

I was drinking a cup of coffee last week when I noticed this. The sleeve that they place around the cup so that it won’t burn my hands says that there are US and international patents pending. I don’t get it. It’s a piece of cardboard. How can someone patent that?

Category: Posts imported from Danger! Falling Brainwaves, Uncategorized



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