Exlusive Rights

Has anyone on this forum obtained or tried to obtain the Exclusive Rights for any type of Consumer product? Exlusive Rights meaning a new marketing method for an existing product that the manufacturer isn't currently using?

How about the rights or idea for a new product by bringing two manufacturers together who have existing products that could be combined for something new? Like chocolate and peanut butter?

I ask this because, for quite some time, I have been combining two food items (each are well known and a healthy snack). I can't figure out why I cannot find these two great foods together in a can or bag.

This is definitely a Joe Cossman type of idea and I was wondering if anyone has taken this route to create a toll booth position?