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01/20/10(Wed)12:47 No.47295439air conditioning unit: Frederick M. Jones; July 12, 1949 almanac: Benjamin Banneker; Approx 1791 auto cut-off switch: Granville T. Woods; January 1,1839 auto fishing devise: G. Cook; May 30, 1899 automatic gear shift: Richard Spikes; February 28, 1932 baby buggy: W.H. Richardson; June 18, 1899 bicycle frame: L.R. Johnson; Octber 10, 1899 biscuit cutter: A.P. Ashbourne; November 30, 1875 blood plasma bag: Charles Drew; Approx. 1945 cellular phone: Henry T. Sampson; July 6, 1971 chamber commode: T. Elkins; January 3, 1897 clothes dryer: G. T. Sampson; June 6, 1862 curtain rod: S. R. Scratton; November 30, 1889 curtain rod support: William S. Grant; August 4, 1896 door knob: O. Dorsey; December 10, 1878 door stop: O. Dorsey; December 10, 1878 dust pan: Lawrence P. Ray; August 3, 1897 egg beater: Willie Johnson; February 5, 1884 electric lampbulb: Lewis Latimer; March 21, 1882 elevator: Alexander Miles; October 11, 1867 eye protector: P. Johnson; November 2, 1880 fire escape ladder: J. W. Winters; May 7, 1878 |