4 Answers

The Laser printer was invented by Gary Starkweather, a researcher at Xerox Corp. in Rochester, N.Y. in 1969. But, I do think that women are GREAT!

The first bullet proof vest was invented by Norval V Cobb, but a woman, Stephanie Louise Kwolek's research with high performance chemical compounds for the DuPont Company led to the development of a synthetic material called Kevlar which is five times stronger than the same weight of steel. Kevlar, patented by Kwolek in 1966, does not rust nor corrode and is extremely lightweight. Many police officers owe their lives to Stephanie Kwolek, for Kevlar is the material used in bullet proof vests."

So I don't know, if technically, a women invented the bullet proof vest?

The Fire Escape: On May 7, 1878, the fire escape ladder was patented by Joseph Winters. This was followed by the portable fire escape ladder, which was invented on November 11, 1890, by Daniel McCree of Chicago."

The inventor of the window wipers was a woman.

THEY WERE ALL INVENTED BY WOMEN?