Show RADIO FIRMS CHARGED WITH PATENT CONTROL TRENTON N. N J J. Mar March h 7 The P The Radio Corporation of America and the G General Electric company are are charged with controlling radio patents in violation violation vio vio- lation of antitrust laws and court decrees de d crees in ma a page 65 answer to patent Infringement infringement in In- nt suits brought by these companies in federal court against the thc Hygrade Sylvania corporation of Mass Massachusetts manufacturers of ot radio radio ra ra- ra- ra dio tubes The answer was filed by former Federal Federal Fed Fed- eral Judge Hugh Hugh Morris of Delaware representing tirig the Hygrade conc concern rn |