Thanks, I've seen that before, but forgot about it.
After looking at that, it shows that my answer would be:
Clear pups ONLY means that neither parent is affected, and that does not change with multiple clear pups. The only thing that shows any determination of the parents is a test of the parent themselves (or if their grandparents are clear).
correct. The more clear pups (with no affecteds or carriers) you had from the breeding of the same two animals, the more LIKELY it is that the parents are clear…but it certainly would not be a for sure.