A TOMRA Reverse Vending Machine (Photo: Lars Kristian Flem)
In 1971, the owner of one of Oslo’s biggest supermarkets approached Petter, then a After a series of meetings with a group of supermarket owners and bottlers, the brothers came up with the design for the first prototype of a reverse vending machine. Their design had a single hole which could be used to return all types of bottles and a printer that issued receipts for the amount of refund due.