Inventions What African-American inventor received 5 patents in the field of shoemaking? Ernest Just Jan Ernst Matzeliger Elijah McCoy Lewis Latimer Ernest Just Jan Ernst Matzeliger Elijah McCoy Lewis Latimer ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1743 1739 1760 1785 1743 1739 1760 1785 ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1895 1900 1840 1874 1895 1900 1840 1874 ANSWER DOWNLOAD EXAMIANS APP
Inventions This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece. Beulah Henry Bessie Blount Marjorie Joyner Mae Jamison Beulah Henry Bessie Blount Marjorie Joyner Mae Jamison ANSWER DOWNLOAD EXAMIANS APP
Inventions What Karl Benz invented? Glider Streetcar Steam turbine Gasoline powered automobile Glider Streetcar Steam turbine Gasoline powered automobile ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Dynamite? Alfred B. Nobel Thomas Alva Edison Sir Alexander Graham Bell Benjamin Franklin Alfred B. Nobel Thomas Alva Edison Sir Alexander Graham Bell Benjamin Franklin ANSWER DOWNLOAD EXAMIANS APP
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