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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES120348ApriorityCriticalpatent/ES120348A1/es
Publication of ES120348A1publicationCriticalpatent/ES120348A1/es
ES120348A1930-10-281930-10-28Un procedimiento para aumentar el rendimiento de la hélice, sobre todo en aeronaves, y las hélices correspondientes.
ExpiredES120348A1
(es)