First of all I want to say this is only an idea as of now and may not gel in the real world. It seems to me to be logical and I believe it will work.
Your comments are welcome and a builder would be even more so.
Richard Williams
If this works, copyleft sounds good at per unit license of 10% of profit or usage earnings/savings. Hope I didn't cross up the explaination, I do that sometimes....argh!