Sparton Corporation subsidiary, Sparton Aydin, has entered into a definitive purchase agreement to acquire certain assets and liabilities of Aydin Displays, Inc., an $18 million revenue business, in an all-cash transaction. The acquistion is expected to provide $18-million in annual revenue, adding engineered product content of enhanced industrial quality flat panel display and touch-screen solutions. Aydin Displays, Inc., a subsidiary of Video Display Corp., located in Birdsboro, Pennsylvania, develops enhanced flat panel display and touch-screen solutions with application-critical performance criteria including ruggedization, high resolution…