ST. PAUL, Minn.--(BUSINESS WIRE)--IntriCon Corporation (AMEX:IIN), a designer, developer, manufacturer and distributor of miniature and micro-miniature medical and electronics products, today announced it has entered into an agreement to acquire substantially all of the assets (other than real estate) of privately held Tibbetts Industries, Inc., a designer and manufacturer of components used in hearing aids and medical devices. Terms of the deal include a $4.5 million cash purchase price and the assumption of certain liabilities.