>When my cat plays with reflected lights dancing on the floor, she may well ... | Hacker News

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lolilives on June 14, 2012 | parent | context | favorite | on: The Defensive Patent License and Other Ways to Bea...

>When my cat plays with reflected lights dancing on the floor, she may well be in violation of somebody's patent.

Maybe this one? http://www.google.com/patents/US5443036

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