ALEXANDRIA, Va., Feb. 25 -- 3Play Media, Boston, has been assigned a patent (9,576,498) developed by eight co-inventors for "systems and methods for automated transcription training." The co-inventors are Roger S. Zimmerman, Wellesley, Massachusetts, Christopher S. Antunes, Arlington, Massachusetts, Jeremy E. Barron, Medford, Massachusetts, Sharon Lee Tomasulo, Medford, Massachusetts, Claudia W. Fiore, Nashua, New Hampshire, Christopher E. Johnson, Cambridge, Massachusetts, Anatole Khesin, Somer . . .