Andrew Freeman (March 10, 1909 – January 17, 1996) was an American electrical engineer and the inventor of the electric block heater for automobiles. [1]
Freeman first developed a block heater around 1947, and received U.S. Patent #2487326 on November 8, 1949.[3][4] In 1947, Freeman co-founded and served as president of Five Star Manufacturing Company of East Grand Forks, MN to manufacture headbolt heaters.[5]
Referencesedit
^"Headbolt Heater". University of Nebraska–Lincoln. Retrieved August 9, 2015.
^"Andrew Freeman Design Innovation Competition". University of North Dakota. May 9, 2014. Retrieved August 9, 2015.
^US patent 2487326, A. L. Freeman, "Electric Internal-Combustion Engine Head Bolt Heater", issued 1949-11-08
^ . Prairie Public Radio. February 16, 2004. Archived from the original on July 21, 2015. Retrieved August 9, 2015.
^"Andrew Freeman helped provide power to N.D." Bismarck Tribune. September 18, 2011. Retrieved August 9, 2015.
External linksedit
This North Dakota–related article is a stub. You can help Wikipedia by expanding it.
andrew, freeman, inventor, andrew, freeman, march, 1909, january, 1996, american, electrical, engineer, inventor, electric, block, heater, automobiles, andrew, freeman, born, upham, north, dakota, attended, university, north, dakota, grand, forks, north, dakot. Andrew Freeman March 10 1909 January 17 1996 was an American electrical engineer and the inventor of the electric block heater for automobiles 1 Andrew L Freeman was born in Upham North Dakota He attended the University of North Dakota in Grand Forks North Dakota where he majored in electrical engineering He served as general manager of Minnkota Power Cooperative from 1940 to 1982 Since 2004 Minnkota Power Cooperative Inc has sponsored the Andrew Freeman Design Innovation Competition at the University of North Dakota College of Engineering and Mines 2 Freeman first developed a block heater around 1947 and received U S Patent 2487326 on November 8 1949 3 4 In 1947 Freeman co founded and served as president of Five Star Manufacturing Company of East Grand Forks MN to manufacture headbolt heaters 5 References edit Headbolt Heater University of Nebraska Lincoln Retrieved August 9 2015 Andrew Freeman Design Innovation Competition University of North Dakota May 9 2014 Retrieved August 9 2015 US patent 2487326 A L Freeman Electric Internal Combustion Engine Head Bolt Heater issued 1949 11 08 Headbolt Heaters Prairie Public Radio February 16 2004 Archived from the original on July 21 2015 Retrieved August 9 2015 Andrew Freeman helped provide power to N D Bismarck Tribune September 18 2011 Retrieved August 9 2015 External links editUND Center for Innovation North Dakota Entrepreneur Hall of Fame nbsp This North Dakota related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Andrew Freeman inventor amp oldid 1124156711, wikipedia, wiki, book, books, library,
