text: Alpha Techs closes Lockhart purchase . NEW YORK 1996-08-23 Alpha Technologies Group Inc said it had closed on its agreement to acquire Lockhart Industries Inc . The company said in a statement late on Thursday that it issued 280,556 shares of common stock for the stock of Lockhart . These shares are subject to post-closing adjustments . Lockhart , based in Paramount , Calif. , is a designer and manufacturer of sophisticated thermal management products . -- New York newsroom , ( 212 ) 859-1610