The capacity is not fungible, even if with force of law. Further, even if this had been started 3 months ago, I sincerely doubt that the work would be bearing much fruit even now.

Ventilators, generally, may be "well known", but the design and operation of a modern ventilator is probably not something that is "well known".

Doing this kind of stuff is much more complex than our ability to scramble. The key is to think about this kind of crap before it becomes necessary. Without that, we won't have what we need on time. Things like this are just not solvable by throwing money at it after the fact.