"Hi Rain, glad you like. It seems it took several years to straighten out with the USPO, but check the patents that have been updated. We ourselves, have been doing technical 3D knitting since the 80's. And we are thrilled that a renaissance for technical knit solutions has taken hold and people are paying attention to not only technical knitting again, but how much trash from production goes into the landfills around the globe from these huge companies. Check out our most recent project. www.warpforward.com  More  good things to come :)"