3D printing - Chuck Hull of 3D Systems Corporation filed his own patent

Time: 1984

Place: Alexandria, Virginia, U.S.

Details: Three weeks later in 1984, Chuck Hull of 3D Systems Corporation filed his own patent for a stereolithography fabrication system, in which layers are added by curing photopolymers with ultraviolet light lasers. Hull defined the process as a "system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed".

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