Show lit in the HEADLINES I 1 I 1 OKLAHOMA the U S obtained a preliminary order restraining gov leon C phillips from using troops to prevent completion of the grand river dam phillips contention that tile the U S should pay the state for property to be damaged TAXATION at washington the U S treasury figured early 1039 1939 income tax returns showed a 28 20 per cent boost over last year with heaviest collections still to be reported AVIATION american airlines inc asked the civil aeronautics authority tor for permission to operate the first complete airline from achl chicago to mexico city communications maj edwin armstrong inventor of static free frequency modulation broadcasting asked the federal communications commission to give his FM F M the broadcasting channels now used for television argument that television now impractical commercially stands in the way of radio progress TRADEMARK at baltimore a federal district court injunction ordered makers of five other soft drinks to cease using the words coca or cola because it infringed on coca colas trademark |