Feb 25, 2006 - Samuel Colt invented the revolver, a pistol with multiple chambers for bullets. He patented it in Europe in 1835, and in the United States in 1836. Origin of Pistol Patent Day: Samuel Colt invented the pistol.
Pistol Patent Day. Today is Pistol Patent Day, the anniversary of Samuel Colt's 1836 patent for the Colt Revolver pistol. Although Colt didn't actually invent the revolver, his design, which was an adaptation of the revolving flintlock, helped revolutionize the gun industry.
Its design was patented by Samuel Colt on February 25, 1836, in the United States, France, and England, and it derived its name from being produced in Paterson, New Jersey. Initially this 5-shot revolver was produced in .28 caliber, with a .36 caliber model following a year later.