ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,993, issued on March 31, was assigned to Mezmo Corp. (Irvine, Calif.).

"Captioned telephone service system for user with speech disorder" was invented by Haesung Lee (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A captioned telephone service (CTS) system provides a transcription service and a speech-to-text and text-to-speech converting service for the deaf or hard-of-hearing user with a speech disorder during a phone call between the user and the peer. The CTS system transcribes the peer's voice into text to be displayed on the user's device. The CTS system transcribes the user's voice into text based on the database storing user'...