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 Fisher & Ludlow LtdfiledCriticalFisher & Ludlow Ltd
Priority to BE609608ApriorityCriticalpatent/BE609608A/en
Publication of BE609608ApublicationCriticalpatent/BE609608A/en