Patrick J. Hanratty

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2026-06-23

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Patrick J. Hanratty was an American computer scientist and businessperson, commonly referred to as the "Father of CAD/CAM"—computer-aided design and computer-aided manufacturing. Up to 2013, he was president and CEO of Manufacturing and Consulting Services (MCS) of Scottsdale, Arizona, a company he founded. According to MCS, "70 percent of all 3-D mechanical CAD/CAM systems available today trace their roots back to Hanratty’s original code," although that statistic is not substantiated elsewhere