U.S. Patent 11138546 was awarded to INTERNATIONAL BUSINESS MACHINES CORPORATION on October 05, 2021 and is entitled “Tracking objects using a trusted ledger.” The first named inventor is Bruce H. Hyre of Cary, NC. The abstract contains an overview of the patent disclosure:

A blockchain function may include one or more of receiving a last observed location identifier for a product identified via a product tag associated with the product, determining whether the last observed location identifier was received from a trusted source device, and storing the last observed location identifier in a blockchain with a confirmed status responsive to determining the last observed location identifier was received from the trusted source device. Link to Full Patent

This blockchain patent was originally filed on June 14, 2017  as U.S. Patent Application 15/622690 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11138546. The primary examiner was George Chen.

INTERNATIONAL BUSINESS MACHINES CORPORATION, who is the original assignee of this patent, has at least 150818 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 0 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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