In Groundhog's heat, Graham said that they should patent Groundhog's rear wheels as they invented them. At least that is what I got form that interview. Sam(BAZINGA) 22:45, June 2, 2014 (UTC)
Scrap that, they was first patented in 1919 by J. Grabowiecki, source here. Sam(BAZINGA) 22:48, June 2, 2014 (UTC)
