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 Danilo Calatrava De GuzmanfiledCriticalDanilo Calatrava De Guzman
Priority to PH29816ApriorityCriticalpatent/PH17953A/en
Publication of PH17953ApublicationCriticalpatent/PH17953A/en