Investor’s Business Daily – Valuable broadband and networking patents owned by bankrupt Nortel Networks go up for sale this week, with Google (NASDAQ:GOOG – News), Apple (NASDAQ:AAPL – News) and Intel (NASDAQ:INTC – News) heading the list of would-be buyers. The portfolio could fetch up to $1.5 bil, analysts said. Nortel is selling 6,000 patents and patent applications that cover wireless, voice, Internet and other technologies.