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John W. Ruppert III owned a refrigeration business and invested in restaurants, real estate
John W. Ruppert III owned a refrigeration business and invested in restaurants, real estate

John W. Ruppert III, a former refrigeration business owner and real estate developer, died of heart disease Tuesday at Gilchrist Hospice Care. The Baldwin resident was 72. Born in Baltimore and raised on Southern Avenue in Hamilton, he was the son of John William Ruppert Jr., a Western Electric millwright, and Elizabeth Claire Jones Ruppert, a state government secretary. Known as Bill, he attended Polytechnic Institute but left before graduating to work at Revere Copper and Brass and for National Refrigeration. He and a business partner, Melvin Keyser, founded Tri-State Refrigeration in 1968. "My father had an entrepreneurial spirit," said his daughter, Nicole Ruppert...

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