Hi Jerry,
I just don't see the point in it. Here in Europe you can buy a lot of old equipment for scrap value, with standardized hitch. All the implements that have been built for tractors with 15-50hp are extremely cheap to buy because farmers today use 80-300hp tractors and don't use these implement sizes anymore.
Buying such used equipment is cheaper than building it yourself and you save your time.
But why hassle with something not standardized if you can buy better easily?
If the situation in the states is similar, just forget about those exotic hitch designs, in Europe at least 99% of farm tractors had the standard hitch design already in the sixties.
Mike
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