That’s just a copyright license for the specification documents. A patent license is a horse of a different color. 7.4 explicitly denies that it serves as a p

That’s just a copyright license for the specification documents. A patent license is a horse of a different color. 7.4 explicitly denies that it serves as a patent license: > This license shall not be deemed to grant any right under any patent, patent applications or similar intellectual property right. Just because the specs are open it does not permit you to manufacture or sell the devices without a patent license.