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A comment on Patent US5443036 – Method of exercising a cat. Parent comment

Re:Patent US5443036 – Method of exercising a cat by mcnamaratw on Friday October 23, 2015 @08:02AM (#10438023)
Yeah seems to me they purposely excluded visible light. Hard to see why.
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Re:Patent US5443036 – Method of exercising a cat by louisswiss on Friday October 23, 2015 @08:44AM (#10438208)
Chapeau.
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