John J. “Jackie” Irwin, 72, of Curwensville, formerly of Osceola Mills, died Saturday at Ridgeview Eldercare Nursing & Rehab Center in Curwensville. He was born in Philipsburg, the son of the late ...
John Irwin is a professor and chair of the Department of Manufacturing and Mechanical Engineering Technology at Michigan Tech. His areas of expertise include jig, fixture, and gage design; the design ...