Soss

Founded in 1903 by Joseph Soss, SOSS Door Hardware revolutionized the industry with the invention of the original invisible hinge. This innovation set a new standard for concealed door hardware, combining functionality with aesthetic appeal. SOSS hinges have been featured in iconic structures such as the White House, Buckingham Palace, and Frank Lloyd Wright's Fallingwater, underscoring their commitment to quality and design excellence. Today, SOSS offers a comprehensive range of products, including fire-rated, heavy-duty, and specialty hinges, catering to industrial, commercial, and institutional applications . Their latest innovation, the UltraLatch™, exemplifies their dedication to ergonomic and accessible design . Now operating under the Allegion umbrella, SOSS continues to uphold its legacy of innovation and quality in the door hardware industry .