| air 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            October 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 fire extinguisher             T. Marshall             October 26, 1872 folding bed                   L. C. Bailey            July 18, 1899 folding chair                 Brody & Surgwar         June 11, 1889 fountain pen                  W. B. Purvis            January 7, 1890 furniture caster              O. A. Fisher            1878 gas mask                      Garrett Morgan          October 13, 1914 golf tee                      T. Grant                December 12, 1899 guitar                        Robert F. Flemming, Jr. March 3, 1886 hair brush                    Lydia O. Newman         November 15, 18-- hand stamp                    Walter B. Purvis        February 27 1883 horse shoe                    J. Ricks                March 30, 1885 ice cream scooper             A. L. Cralle            February 2, 1897 improv. sugar making          Norbet Rillieux         December 10, 1846 insect-destroyer gun          A. C. Richard           February 28, 1899 ironing board                 Sarah Boone             December 30, 1887 key chain                     F. J. Loudin            January 9, 1894 lantern                       Michael C. Harvey       August 19, 1884 lawn mower                    L. A. Burr              May 19, 1889 lawn sprinkler                J. W. Smith             May 4, 1897 lemon squeezer                J. Thomas White         December 8, 1893 lock                          W. A. Martin            July 23, 18-- lubricating cup               Ellijah McCoy           November 15, 1895 lunch pail                    James Robinson          1887 mail box                      Paul L. Downing         October 27, 1891 mop                           Thomas W. Stewart       June 11, 1893 motor                         Frederick M. Jones      June 27, 1939 peanut butter                 George Washington Carver    1896 pencil sharpener              J. L. Love              November 23, 1897 phone transmitter             Granville T. Woods      December 2, 1884 record player arm             Joseph Hunger Dickenson January 8, 1819 refrigerator                  J. Standard             June 14, 1891 riding saddles                W. D. Davis             October 6, 1895 rolling pin                   John W. Reed            1864 shampoo headrest              C. O. Bailiff           October 11, 1898 spark plug                    Edmond Berger           February 2, 1839 stethoscope                   Imhotep                 Ancient Egypt stove                         T. A. Carrington        July 25, 1876 straightening comb            Madam C. J. Walker      Approx 1905 street sweeper                Charles B. Brooks       March 17, 1890 thermostat control            Frederick M. Jones      February 23, 1960 traffic light                 Garrett Morgan          November 20, 1923 tricycle                      M. A. Cherry            May 6, 1886 typewriter                    Burridge & Marshman     April 7, 1885   
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