Stapler
The first stapling machine with a magazine that held a supply of preformed wire staples that were fed automatically to the staple-driving mechanism was patented in 1878.Telephone
In the 1870s, two inventors Elisha Gray and Alexander Graham Bell both independently designed devices that could transmit speech electrically (the telephone).Typewriter
LOC
Sholes was a U.S. mechanical engineer who invented the first practical modern typewriter, patented in 1868.
Xerox
Designerd's Photos
In 1937, the process called Xerography was invented by American law student Chester Carlson. Carlson had invented a copying process based on electrostatic energy. Xerography became commercially available in 1950 by the Xerox Corporation. Xerography comes from the Greek for "dry writing".
White-out
Morguefile
It was originally called "mistake out", the invention of Bette Nesmith Graham, a Dallas secretary and a single mother raising a son* on her own. Graham used her own kitchen blender to mix up her first batch of liquid paper or white out, a substance used to cover up mistakes made on paper.
