Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Rittesberg Karl
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Rittesberg Karl
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Publication date
Application filed by Rittesberg KarlfiledCriticalRittesberg Karl
Priority to ES44367ApriorityCriticalpatent/ES44367A1/es
Publication of ES44367A1publicationCriticalpatent/ES44367A1/es
ES44367A1908-11-141908-11-14Un procedimiento para fabricar hilamentos incandescentes de tinta china para lámparas eléctricas de incandescencia.
ExpiredES44367A1
(es)