The United Nations Charter was signed with a Sheaffer pen on June 26, 1945. Sheaffer Pen Corporation is based in Fort Madison, Iowa where Walter A. Sheaffer invented the first practical lever filling fountain pen in 1907. The company is active in all sectors of the industry, with a product range that currently encompasses inexpensive cartridge pens for students all the way up to a limited-edition reissue of the original Balance. Its product line includes the White Dot, Popular Price, Calligraphy and refill accessories. The company is a division of BIC USA, a distributor of stationery products, lighters and shavers. Scheaffer also operates service centers in Canada and England.