http://www.infocellar.com/networks/internet/symbols.htm

ASCII and HTML Symbols

Common Symbols

	Trademark symbol ™ : ASCII Alt-0153 - HTML: &#8482 or &trade
	Registered Trademark Symbol ® : ASCII Alt-0174 - HTML &#174 OR &reg
	Copyright Symbol © : ASCII Alt-0169 - HTML &#0169 OR &copy
	Cent Symbol ¢ : ASCII Alt-0162 - HTML &#0162