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 US07/528,041external-prioritypatent/US5011188A/en
Application filed by Martin ZolandfiledCriticalMartin Zoland
Priority to SG99093ApriorityCriticalpatent/SG99093G/en
Publication of SG99093GpublicationCriticalpatent/SG99093G/en