> I don't see how this would work given modern supply chains. It can be extremely difficult to track down all of the owners of a particular IP and when you do,

> I don't see how this would work given modern supply chains. It can be extremely difficult to track down all of the owners of a particular IP and when you do, many of them may not even exist any longer making it near impossible to get any sort of permission to do something like this. Exactly the reason to force manufacturers to change their supply chains.