death_date death_place module birth_place image_size name birth_date spouse image article_title education birth_name
11 april 2010 denver , colorado discipline practice_name = employer = significant_projects = commercial development of the = first battery-powered ionization smoke detector . significant_design = significant_advance = institutions significant_awards = small business person of the year -lrb- colorado = -rrb- , national small business person of the year , pearsall fire protection man of the year , center for fire company safety studies herrick drake commemorative award , statitrol corporation pontiac , michigan 200px duane d. pearsall 3 march 1922 marjorie fewel duanedpearsall.jpg duane d. pearsall
 general motors institute , university of denver duane d. pearsall
duane d. pearsall

duane d. `` dewey '' pearsall -lrb- 3 march 1922 -- 11 april 2010 -rrb- was an american entrepreneur best known for developing and marketing the first battery-powered home smoke detector in 1965 .
