Paper Mate, is a traemark of Sanford L.P., a Newell Rubbermaid company. Sanford L.P. is a company that produces stationery and office products. Sanford's other brands include CardScan, Dymo, Expo, Foohy (formerly Colorific), Liquid Paper, Mimio, Parker, Pelouze, Prismacolor, Rolodex, Rotring, Sensa, Sharpie, Sharpie Accent, Uni-ball, and Waterman. They are best known for their Sharpie markers and their "PhD multi pen/pencil/stylus", which is endorsed by the American Physical Therapy Association (APTA) for the reduced writing fatigue produced by its grip to the hand.