Samuel Colt influence in other manufacturing efforts of the next half century. Prominent examples included Francis A. Pratt, Amos Whitney, Henry Leland, Edward Bullard, Worcester R. Warner, Charles Brinckerhoff Richards, William Mason and Ambrose Swasey. In 2006, Samuel Colt was inducted into the National Inventors Hall of Fame. Samuel Colt Samuel Colt (; July 19, 1814 – January 10, 1862) was an American inventor, industrialist, businessman, and hunter. He founded Colt's Patent Fire-Arms Manufacturing Company (today Colt's Manufacturing Company) and made the mass production of the revolver commercially viable. Colt's first two business ventures were producing firearms in Paterson, New Jersey and
Colt Dragoon Revolver had a comparatively shorter cylinder (thus preventing overloading the cylinder) and held up to 50 grains of powder, whereas the Walker had used up to 60 grains of powder. The Dragoon Revolver had a shorter barrel at 7.5 inches (some later revolvers 8 inches) as compared to the barrel on the Walker. A loading lever latch in front of the lever replaced the spring to keep the lever from dropping during recoil, thereby preventing jamming of the revolver. These variations made the Colt Dragoon Revolver 4 pounds two ounces. These changes also reduced the risks of the Colt Dragoon Revolver