This blog post seems to have something about that: http://pospapendix.blogspot.com/2008/04/richard-feynman-stories-part-four.html http://pospapendix.blogspot.co

This blog post seems to have something about that: http://pospapendix.blogspot.com/2008/04/richard-feynman-stories-part-four.html http://pospapendix.blogspot.com/2008/04/richard-feynman-stor... (it's in there somewhere, search for patent)