1960 By Editor Posted April 12, 2019 In 19602019-04-122019-04-12https://demaco.com/update/wp-content/uploads/2019/04/demaco-logo.pngDemacohttps://demaco.com/update/wp-content/uploads/2019/04/demaco-logo.png200px200px 0 Joseph De Francisci Jr. and Leonard De Francisci patent a new method of automatically controlling dryer humidity. Editor