Beautiful! Never seen one of those before! Did you market them?
I did a lot of prototype stuff back at the start of 90's then got in to MTB's and did these, a company called RAD Components marketed them for a short while, but the V brake killed the market off almost over night.
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming 'WOW-What a Ride!'"