ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,992, issued on Aug. 25, was assigned to TATA CONSULTANCY SERVICES Ltd. (Mumbai, India).

"Method and system for ensuring dual bar code authentication of documents" was invented by Viral Prakash Shah (Thane, India), Rishi Setiya (Thane, India), Naveen Vaishnav (Gandhinagar, India), Manish Rawat (New Delhi) and Shivam Singh (Lucknow, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments of present disclosure herein address unresolved problems of a file path encryption, a manual quality check and a dual bar-code verification while scanning and transferring of the answer sheets to a server via a communication network. Embodiments herein pr...