Forgetting all about that little thing called walking- Reed stretched his body down the hallway to where Johnny was. "Luthor has our design." was all he actually managed to say for fear that he might start cursing again and not be able to stop.
If he had the design- who was to say he didn't have the Zero-Point energy invention? Did his car have the ability to withstand space flight? Deep sea expeditions? The Fantasticar was very nearly done-- but had Luthor gotten there first, with the Fantastic Four's own inventions that were not for public consumption?