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Patent applications and USPTO patent grants for Siekmann; Hildegard.The latest application filed is for "process and device for cleaning and etching a substrate wi".
Patent | Date |
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Process and device for cleaning and etching a substrate with a transparent conductive oxide layer Grant 8,425,793 - Muller , et al. April 23, 2 | 2013-04-23 |
Process and Device for Cleaning and Etching a Substrate Wi App 20080296262 - Muller; Joachim ;   et al. | 2008-12-04 |
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