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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Roussy Emile Louis
Original Assignee
Roussy Emile Louis
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Publication date
Application filed by Roussy Emile LouisfiledCriticalRoussy Emile Louis
Priority to ES4187ApriorityCriticalpatent/ES4187A1/es
Publication of ES4187A1publicationCriticalpatent/ES4187A1/es
ES4187A1884-04-291884-04-29Un aparato moderador para lámparas eléctricas de incandescencia permitiendo variar a voluntad la intensidad luminosa.
ExpiredES4187A1
(es)