you are making them out of a different material in fairness..
and they are not exactly available to buy..
if you changed the design a little?
look at RB Products with magura levers?
It is a grey area I suppose. but as mentioned above would be best to get in touch with him.
and i know what you mean about the man who got you into trials
i saw his display at chester in august of 2007 - and ever since wanted to get in trials, reading his columns in mbuk etc. Now finally got his bike, Just trying to restore it to its former glory