Another Fuel Cell Patent to Avista

May 22, 2002 [] Avista Labs, has been awarded a patent further protecting its claims of modularity in fuel cell system construction. The company builds PEM fuel cell systems using a modular approach. This new patent is the fifth issued to Avista Labs. It includes 300 claims covering certain basic control and balance-of-plant systems when used in a modular or multiple fuel cell system. The company has 22 additional patents pending.
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