Walter Diemer - Bubblegum was invented by Walter Diemer in Philadelphia in 1928. He never applied for a patent for…
A compass is used for determining direction identification. It is used for aviations, camping, hunting and other traveling purposes while…
Baseball was played in America since early 1800s using local rules and informal teams. It was considered as America’s “national…
James Pillans invented blackboard in 1800s. He worked as the headmaster of the Old High School of Edinburgh, Scotland. The…
In 1975 the first boom box was invented by Woelfel Brothers. The speakers and the eight track car stereo were…
Dov Moran - The Israeli entrepreneur Dov Moran invented of the USB Flash Drive in 1999. The USB Flash Drive…
Compound microscope was invented in 17th century. As to who invented the compound microscope is a question of controversy. There…
Dr. Rudolf Diesel invented the diesel engine in the year 1897. He was mechanical engineer by profession and belonged to…
Defibrillator was invented by William B. Kouwenhoven in 1930. William studied the relation between the electric shocks and its effects…
William Mitchell - Cool Whip was invented by William Mitchell in 1966. This is the general consensus on but………….. Actually…