ALEXANDRIA, Va., March 22 -- Advanced Charging Technologies, Tulsa, Oklahoma, has been assigned a patent (9,602,016) developed by 13 co-inventors for an "electrical circuit for delivering power to consumer electronic devices." The co-inventors are Michael H. Freeman, Tulsa, Oklahoma, W.J. Weaver Jr., Broken Arrow, Oklahoma, Mitchael C. Freeman, Sapulpa, Oklahoma, Robert Dieter, Owasso, Oklahoma, Andrea Baschirotto, Tortona, Italy, Piero Malcovati, Pavia, Italy, Marco Grassi, Stradella, Italy, Gl . . .