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In 1978, Bell Labs scientist, Dr. Sotirios J. Vahaviolos and venture capitalists Frederick Adler and Milton Pappas founded Physical Acoustics Corporation. The company has grown internally and by the acquisitions of Trodyne Corporation, founded in 1969, in 1980, and Dunegan Corporation, founded in 1968, in 1985. Physical Acoustics Corporation designs and manufactures acoustic emission sensors...