Thanks - I thought Engelbart was at PARC, incorrectly. Well, I'm happy for there to be stages of commercialization, just as there are stages of invention (and

Thanks - I thought Engelbart was at PARC, incorrectly. Well, I'm happy for there to be stages of commercialization, just as there are stages of invention (and not always a clear demarcation), people improving what went before is the way. Interesting that Engelbart patented the mouse. http://www.google.com/patents/US3541541?printsec=abstract#v=onepage&q&f=false http://www.google.com/patents/US3541541?printsec=abstract#v=...