Welcome, and best wishes in designing your patterns. My guess is that "intellectual property" means that someone owns the images, in which case permission would be needed to include them in anything you want to sell. (Consider that movie companies have to negotiate whether to use a can of Coke or Pepsi.)

Welcome from northwestern NY. You'll find lots here - that's for sure!! Enjoy! Sorry that I can't help with the question.

Welcome from Oklahoma!!!!!!