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 Charles A HuberfiledCriticalCharles A Huber
Priority to BE579200ApriorityCriticalpatent/BE579200A/fr
Publication of BE579200ApublicationCriticalpatent/BE579200A/fr