Hat's off to free enterprise etc. It's a tough market to break into given the long term players and their well established production lines. Good luck to him.
Some valid questions have already been raised about a few design features. It'll be nice if there's some clarification.
One thing I noticed was the RV screen door unit. We had one of those on the RV we "cruised out of Arizona". I found the two doors were interacting with each other, not necessarily in a good way. Made me appreciate how well the
Scamp folding screen door works.
Ron