Spark Thermionics, Inc. Patents

Patent portfolio assigned to Spark Thermionics, Inc. (verified via public assignee records). Berkeley, CA company building thermionic energy converters (heat-to-electricity). Assigned US Patent 10,699,886 'System and method for thermionic energy conversion' (DARPA-supported), so has_patents=true; Justia hosts a Spark Thermionics assignee page. No direct competitors or named customers found on a fetched source.