: In 1866, George McGill received U.S. patent #56,587 for small, bendable paper fasteners. However, these early machines were tedious, requiring users to load a single staple at a time.
: Carbon steel wire is pulled through drums to reduce its diameter from 6mm to roughly 2.84mm.
: A massive press applies 40 tons of pressure to cut and fold these wires into their iconic "U" shape in a single stroke. More Than Just Paper