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 K S M ProductsfiledCriticalK S M Products
Priority to BE585937ApriorityCriticalpatent/BE585937A/en
Publication of BE585937ApublicationCriticalpatent/BE585937A/en