In 1915 Charles B. Ulrich patented a revolutionary vertical filing system for large documents, called the Ulrich Planfile. Building on this original technology and with a desire to provide Ulrich Planfiling customers with premier large document filing products and solutions — an entire line of map, poster, plan, drawing and print filing products have been developed. All Ulrich Planfile cabinets are designed and manufactured in the United States, in our Lakewood, New York facility, featuring the highest quality of sheet metal fabrication, finish, and function. More on History… Our Facility – Lakewood, NY.