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Old 03-11-2014, 03:58 PM   #11 (permalink)
some_other_dave
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Yoyo, take a look at the earlier thread "Arduino-controlled grille block".

There have been multiple discussions about shutters, articulated grille blocks, and so on. As far as patent rights go, there is a whole lot of "prior art" on this particular topic...

-soD

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