20 top-rated Combi Oven brands and specs
2021-5-18 · The first convection oven in wide use was the Maxson Whirlwind Oven, invented in 1945. The first combination oven was invented in 1976 by the German company Convotherm, and then Rational nearly thereafter. Today Convotherm is owned by Middleby Marshall which is a conglomerate of Foodservice equipment companies openly traded on the NYSE.
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