US Patent Issued to Visa International Service Association on Nov. 25 for "Transaction card" (American, Emirati Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,481,856, issued on Nov. 25, was assigned to Visa International Service Association (San Francisco).

"Transaction card" was invented by Ved Prakash Sajjan Kumar Agarwal (Dubai, United Arab Emirates) and Gregory Miller (Stamford, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transaction card includes card information, and a card face with a selectively modifiable transparency, wherein the card face is selectively switchable between a first state characterized by a first transparency and a second state characterized by a second transparency less than the first transparency, and wherein the card information is visible in the first state and obscure...