Hate to be the bearer of bad news, but...
Here's the source link:
http://research.microsoft.com/%7Eawi...nd/default.htm
I saw this quite a while ago, too. At the bottom of the page, you can clearly see text reading, "last edited on 04/26/2004."
Also, this product was in development way before we even knew Nintendo was going to have the controller that it has. Soooo... who copied off of who? Who knows...
EDIT: Even more evidence. If you watch the video, it is clearly dated "4/7/2002."