Facing colour engineers and support corps normally had a single branch colour, although exceptionally each regiment of Swedish artillery had its own facing colour until 1910. The United States regular army after the American Civil War adopted a universal dark and light blue uniform under which each regiment was distinguished only by numbers and other insignia, plus branch colors. The latter were yellow for Cavalry, red for Artillery and white (later light blue) for infantry. Combinations of colors such as scarlet piped with white for Engineers, orange piped with white for the Signal Corps and black piped with scarlet for Ordnance personnel
Colour trade mark the United States Court of Appeals ruled in 1985 that Owens Corning had the right to prevent competitors from using the colour pink in their insulation products, thus making Owens Corning the first company in the United States to trademark a colour. In 1995, the United States Supreme Court further acknowledged that a colour could be used as a trademark in the case of "Qualitex Co. v. Jacobson Products Co., Inc.", 514 U.S. 159 (1995). The trademark owner must show that the trademark colour has acquired substantial distinctiveness, and the colour indicates source of the goods to which it is