US Patent D619969 Semiconductor based switching device

Patent D619969 was granted and assigned to Siemens Aktiengesellschaft on July, 2010 by the United States Patent and Trademark Office.

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Patent Inventor Names

Walter Apfelbacher0

Bertrand Viala0

Date of Patent

July 20, 2010

Patent Application Number

292729450

Date Filed

February 23, 2007

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