Pizza tripod was patented on February 12, 1983.
Pizza tripod is the circular thing that keeps the pizza from hitting the inside of the box top. This simple device has become ubiquitous now and it is used to deliver pizzas all across the world.
Publication number: US4498586 A
Patent Title: Package saver
Publication type: Grant
Application number: US 06/465,642
Publication date: 12 Feb 1985
Filing date: 10 Feb 1983
Priority date: 10 Feb 1983
Fee status: Lapsed
Inventors: Carmela Vitale
Original Assignee: Carmela Vitale