20th dec, 2009

Toy patents

about.com has a nice review of different toy patents including the weeping doll, game boy and the yo-yo.

Responses

I really like this US patent
“Method of exercising a cat”:
http://www.freepatentsonline.com/5443036.pdf

I wonder what kind of patent infringement that I’m involving myself in when I exercise my cat using a presentation laser pointer?

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