U.S. Hairspring LLC U.S. Hairspring LLC Quality, Honesty, & Dependability Home About Us Product Information Contact Us What's New About Us Our President Rane Dayon s experience... that they intended to permanently close their doors. U.S. Hairspring made the offer to buy out Dorau-Calzo and this gave Mr. Dorau the piece of mind he needed to retire and close his doors...; confident that U.S. Hairspring, under Rane Dayon, would continue to provide the quality of service he strived for. In August of 2003 the acquisition of Dorau-Calzo prompted us...