Inventions Who invented the BALLPOINT PEN? Write Brothers Bicc Brothers Biro Brothers Waterman Brothers Write Brothers Bicc Brothers Biro Brothers Waterman Brothers ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Vacuum cleaner Blender Electric mixer Washing machine Vacuum cleaner Blender Electric mixer Washing machine ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1960s 1940s 1950s 1980s 1960s 1940s 1950s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bifocal Lens? Alfred B. Nobel Rudolf Diesel Benjamin Franklin Thomas Alva Edison Alfred B. Nobel Rudolf Diesel Benjamin Franklin Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Margaret Knight Amanda Jones Mary Kies Marjorie Joyner Margaret Knight Amanda Jones Mary Kies Marjorie Joyner ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1970s 1940s 1950s 1960s 1970s 1940s 1950s 1960s ANSWER DOWNLOAD EXAMIANS APP
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