United States Patent and Trademark Office grants a Patent for Pürscale Device.


The United States patent and trademark office grants a patent to Pürblack for Pürscale device on February 27, 2018. The patent number: US9903747B2 is available to view on the website of USPTO (https://goo.gl/XSoRYz) , and on Google patents (https://goo.gl/PVeAhJ). The patent covers multiple variations of the Pürscale device for shilajit. Pürscale works the best with …