U.S. Patent 10448251 was awarded to AT&T MOBILITY II LLC on October 15, 2019 and is entitled “Blockchain authentication for mobile network access.” The first named inventor is Arturo Maria of Bellevue, WA. The abstract contains an overview of the patent disclosure:

Certain aspects of this disclosure relate to authentication of mobile devices to the public wireless network using blockchains. In some aspects, a system includes a database configured to store blockchains for authenticating mobile devices to access a public wireless network. Each blockchain can be associated with a mobile device. A processor can receive a blockchain record from a mobile device and grant access of the mobile device to the public wireless network when the blockchain record corresponds to the blockchain stored in the database. A new block can be appended to a blockchain to produce a new blockchain for authenticating access of the mobile device to the public wireless network at a future time. The current blockchain record is stored in the mobile device and accessed for authentication to the public wireless network. Link to Full Patent

This blockchain patent was originally filed on February 28, 2019  as U.S. Patent Application 16/288285 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 10448251. The primary examiner was Dinh Nguyen.

AT&T MOBILITY II LLC, who is the original assignee of this patent, has at least 2585 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 2 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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