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 US07/359,166external-prioritypatent/US5047116A/en
Application filed by Praxair Technology IncfiledCriticalPraxair Technology Inc
Priority to SG66194ApriorityCriticalpatent/SG66194G/en
Publication of SG66194GpublicationCriticalpatent/SG66194G/en