Davis and Strauss filed a patent for the rivet-reinforced waist overalls that would eventually become known as jeans. By 1890, the patent expired and Levi’s was no longer the style’s exclusive ...
1 The Second Clinical Medical School, Lanzhou University, Lanzhou, China 2 Department of Cardiology, The Second Hospital of Lanzhou University, Lanzhou, China Background: The weight adjusted waist ...