PATLY.AIApplication
11963978 · SPHERICAL FLYWHEEL ENERGY STORAGE SYSTEM
Filed 2007-12-24 · Granted · Patent 7536932 (2009-05-26) The official file ↗The patent and its PDF ↗ · Art unit 3656 · Examiner Timothy J Murphy · CPC F16C 15/00 · STEVEN W. WEBB
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