As you may know, one of my hobbies is to sit and think up and then design fantastic illusions, usually on a grand scale - with an unlimited buget. Often the cost of these can run into the hundreds of thousands, but every so often I make one that's actually practical.
I'm sure we have all seen Portal, and particularly the vanish of it; where David Copperfield vanishes from the middle of a platform, suspended above the audience that is connected only by a small very thin platform to the side of the stage, literally only 2 inches thick. Now the vanish is VERY impressive, and highly technical; but I have found a way to make it... more... convincing... magical... amazing...? Whatever word you prefer to use.
The performer (and second or third person if desired) stand on top of a thin steel plate which is hanging above the audiences heads. The steel plate is held aloft by four metal cables (each very thing, maybe half an inche thick at most) on each corner. They are -if desired- surrounded on all sides by the audience, then they cover themselves with a cloth, much like in Portal, and within 3, 5, 10 seconds or however long, they reappear either at the back of the theatre, or in Hawii... or wherever they like.
I hope you get the idea.
The main point of the special vanish technique is that:
1. No doubles are used
2. They are surrounded on all sides, including underneath
3. The thin steel plate is not connected in any way with the stage, but instead connected to the ceiling/rafters/crain by very thin wires.
I don't know what to do with this idea; but I am sure its a good one, and relatively cheap to make... much cheaper than Portal anyway. How can I sell this idea, or patent it? I honestly do not know where to begin.
Any ideas?

Tom
xx