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 David Purvis Grant, Melvin Raffo DavidfiledCriticalDavid Purvis Grant
Priority to TW087104230ApriorityCriticalpatent/TW345497B/zh
Application grantedgrantedCritical
Publication of TW345497BpublicationCriticalpatent/TW345497B/zh