Toll Free: 800-256-5977 Fax: (440) 974-5110 E-mail: info@cousinsvideo.com We are celebrating our 17th Anniversary! We look forward to serving you for many more years to come. 3M Overhead Projectors In 1960, 3M introduced the world's first overhead projector. Today, 3M is still the leading choice for overhead projectors that meet your needs and your budget. Our full line of price-competitive ...