Michael John DeMuth 63 of Old Whitmire Highway Newberry SC formerly of Ellicott City MD died Friday February 3 2012 at his residence. He was born December 22 1948 in Baltimore City MD a son of Albert and Jean Jacobi DeMuth. Mike was the owner of Aymar-DeMuth Propellers and spent more that 25 years crafting airplane propellers that have been shipped all over the world. He was also a Journeyman Machinist who worked at General Electric Westinghouse and in the Applied Physics Lab at Johns Hopkins University where he was part of the team that built one of the first satellites to be launched into space from the spaceship. Mike was an extremely talented man but a man who despite all of these gifts remained very humble. In addition to his parents of Ellicott City MD he is survived by his brothers Paul DeMuth of Ellicott City MD and Donald (Nancy) DeMuth of Irmo SC; sister Carol (Larry) Gray of Union Bridge MD; nieces Laura Virginia Jami and Jessi; two great-nieces and a great-nephew. Funeral mass was celebrated Monday February 13 2012 at 10 a.m. at Church of the Resurrection in Ellicott MD. Online condolences may be sent to the family at www.whitakerfuneralhome.com and also www.slackfuneralhome.com.