A patent for a similar device, named "Guardapizza", was filed in 1974 in Buenos Aires, Argentina, by Claudio Daniel Troglia.
In 1985, Carmela Vitale of Dix Hills, New York, was issued a patent for a plastic 3-legged tripod stool that would sit in the middle of the box and keep the top from sagging into pizza, cakes or other foods kept in a box. Vitale called her invention a "package saver" and used that term also as the title of her patent, but it has since been renamed the "pizza saver" since that has become its most Common use. The patent (#4,498,586) was filed on February 10, 1983, and issued on February 12, 1985.
