Patents do not restrict rescues for research purposes, true. That is the one widely acknowledged exception to infringing use. That is why you can study an inven

Patents do not restrict rescues for research purposes, true. That is the one widely acknowledged exception to infringing use. That is why you can study an invention and then patent an improvement or novel enough variations thereof. But distributing detailed plans (or source code, as mentioned in sibling comment) of something that enables others to easily recreate something covered by a patent just seems to be less clear-cut to me (IANAL).