The drop point is a common design for hunting knives and was popularized in the mid 20th century by Knifemaker Bob Loveless.
James Buel Lile, known as Jimmy Lile or The Arkansas Knifesmith (August 22, 1933 – May 5, 1991), was an American knifemaker from Russellville in Pope County, Arkansas, who made the Rambo Knife for the films First Blood and Rambo: First Blood Part II.
Jody Samson (November 1, 1946 – December 27, 2008) was a knifemaker and bladesmith from Burbank, California who designed butterfly knives for Benchmade and the swords used in such movies as Conan the Barbarian, Conan the Destroyer, First Knight, The Mask of Zorro, Blade, Blind Fury, Batman & Robin, Batman Forever, and Streets of Fire.
Kershaw Knives uses "a pin-and-dimple lock" on a knife designed by custom knifemaker RJ Martin called the "Nerve" to keep the blade closed.
William F. Moran (1925-2006), knifemaker who founded the American Bladesmith Society