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Browning designed the Winchester Models 1885, 1886, 1892, 1894, 1895, 1887,1901 lever action rifles.   He is accredited with the invention of the semi-automatic shot gun, pump action shot gun and .22 rifle.  Browning invented water-cooled machine guns, the Browning Automatic Rifle (BAR), and the Colt 1911 style .45 automatic pistol.  This is a very brief synoposis of his life time of work.

Where does he rock?  let me count the ways.
U.S. Patent 220,271 Winchester 1885 single-shot, Browning’s first patent
U.S. Patent 306,577 Winchester 1886 and Model 71 lever action rifles
U.S. Patent 336,287 Winchester Model 1887/1901 lever action shotgun
U.S. Patent 385,238 Winchester 1890 pump action rifle
U.S. Patent 441,390 Winchester 1893 and 1897 pump action shotguns
U.S. Patent 465,339 Winchester 1892 lever action rifle
U.S. Patent 524,702 Winchester 1894 lever action rifle
U.S. Patent 544,657 Colt 1895 machine gun
U.S. Patent 549,345 Winchester 1895 lever action rifle
U.S. Patent 580,924 Colt 1900 automatic pistol
U.S. Patent 632,094 Winchester 1900 bolt action single shot .22 rifle
U.S. Patent 659,507 FN/Browning Auto 5 shotgun, also Remington Model 11
U.S. Patent 659,786 Remington Model 8 semi-automatic rifle.
U.S. Patent 678,937 Browning Model 1917 machine gun
U.S. Patent 747,585 Colt 1903 automatic pistol
U.S. Patent 781,765 Stevens 520 pump action shotgun
U.S. Patent 808,003 Colt Model 1905 in 45 ACP (predecessor to the M1911)
U.S. Patent 947,478 FN Model 1905 and Colt Vest Pocket in 25 ACP
U.S. Patent 984,519 Colt 1911
U.S. Patent 1,065,341 Browning .22 Automatic Rifle
U.S. Patent 1,143,170 Remington Model 17 and Ithaca 37 pump action shotguns
U.S. Patent 1,276,716 Colt Woodsman
U.S. Patent 1,293,022 Browning Automatic Rifle Model of 1918
U.S. Patent 1,424,553 FN "Trombone" pump action .22 cal repeater (Rare in USA)
U.S. Patent 1,525,065 37mm automatic cannon
U.S. Patent 1,578,638 Browning Superposed over/under shotgun
U.S. Patent 1,618,510 FN and Browning Hi-Power pistol
U.S. Patent 1,628,226 M2 machine gun in 50 caliber

The perfect winchester lever action
the pump shotgun
the slide frame semi auto (notice how many people still use the toggle)
the heavy belt fed machine gun
Still one of the best semi auto shotguns (humpback)
What else did you want?

This should sum it up.

"The 1911 was the design given by God to us through John M. Browning that represents the epitome of what a killing tool needs to be. It was true in 1911 and is true now." -- Colonel Robert J. Coates, USMC