US patent class 222: dispensing
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Why is this not on every vending machine ever? [closed]
Just asking. because this, if it was actually utilized, would be perfect on vending machines.
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Status of US 2012/0228338
Is this Patent Registered or just applied — US 2012/0228338 Vented spout
There is no Invention in it. There are already many such products in market, but this guy is claiming to be the ...
