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Leland Roger Christenson Obituary | Star Tribunem.startribune.com › obituaries › detail
m.startribune.com
Leland Roger Christenson. Christenson, Leland Roger 85, a retired ER Physician, of Laporte, MN, passed away peace-fully at his home on Sun., Jun 19,
Obituary: Roger Christenson / PPG chemist, do-it-yourself guy |...
www.post-gazette.com
Roger Christenson held 136 patents and was an inductee into the National Inventors Hall of Fame.
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