Artificial Muscle Raises $20 Million

Artificial Muscle Inc., a Menlo Park, Calif.-based maker of actuator components based on electroactive polymer artificial muscle technology, has raised $20 million in Series B funding. AllianceBernstein led the deal, and was joined by Micron Technology Inc., Parker Hannifin Corp., CTTV Investments and return backers Arch Venture Partners, NGEN Partners and Vanguard Ventures. Artificial Muscle was spun out of SRI International in early 2004.