It's pretty clear from the website that he's at the stage of having a demonstrator available, and seeking to sell the technology. The unfortunate reality from what I've seen is that it's (in the general sense) very often the case that inventions at this stage get 'borrowed' by seemingly respectable manufacturers, it's no wonder he's cautious. It's a hard road that he's on - lots of stress and frustration if he's invested heavily to get this far.

ian