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
Priority claimed from US09/246,230external-prioritypatent/US6082067A/en
Application filed by Allan Block CorporationfiledCriticalAllan Block Corporation
Publication of HK1031409A1publicationCriticalpatent/HK1031409A1/zh
Publication of HK1031409BpublicationCriticalpatent/HK1031409B/zh