US Patent Issued to Visa International Service Association on June 2 for "Offline interaction system and method using cryptography" (California, Florida, Illinois, Virginia, Texas, Massachusetts Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,284, issued on June 2, was assigned to Visa International Service Association (San Francisco).

"Offline interaction system and method using cryptography" was invented by Mahdi Zamani (Palo Alto, Calif.), Ranjit Kumaresan (Sunnyvale, Calif.), Mihai Christodorescu (Belmont, Calif.), Cuy Sheffield (Menlo Park, Calif.), Benjamin Price (Rockingham, Va.), Wanyun Gu (Menlo Park, Calif.), Minghua Xu (Austin, Texas), Srinivasan Raghuraman (Cambridge, Mass.), Muhammad Saad (Orlando, Fla.), Mustafa Ozdayi (Dallas), Mohammad Mohsen Minaei Bidgoli (San Jose, Calif.) and Sourav Das (Champaign, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes a...