Productivity Technologies Corp., through its subsidiaries, manufactures and sells automated industrial systems, industrial machinery and equipment, and custom electrical control panels. The company offers quick die change, press automation, flexible transfer, and stacking/destacking equipment used to automate automotive and other metal stamping operations. In addition, the company engages in the design, manufacture, and installation of custom electrical control panels primarily for use in production machinery and machine tools utilized in automotive, adhesive and sealant, food processing, and other industrial applications. It sells its products to automobile and automotive parts manufacturers, appliance manufacturers, and steel service centers, as well as manufacturers of lawn and garden equipment, office furniture, heating, ventilation and air conditioning equipment, and large construction equipment in the United States and internationally. Productivity Technologies Corp. was formerly known as Production Systems Acquisition Corporation and changed its name to Productivity Technologies Corp. in May 1996. The company was incorporated in 1993 and is based in Fenton, Michigan. It has sales and engineering offices in Michigan, Germany, and China.