[sdiy] GRP Genesi

[Donald Tillman]

On Jul 5, 2026, at 2:26 AM, Neil Johnson via Synth-diy <synth-diy at synth-diy.org> wrote:

> Michael E Caloroso wrote:
> US 3,930,429
> 
> Don did a write-up of it here: https://till.com/articles/arp/patents.html#US03930429
> Very weird architecture indeed!

Hiya,

My memory is telling me that there may be significant differences between the patent and the actual product.  (I'm not in the mood to check at the moment; there's a lot to go through there.)


  -- Don
--
Donald Tillman, Palo Alto, California
https://till.com