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 to US07/984,696priorityCriticalpatent/US5443581A/en
Priority claimed from US07/984,696external-prioritypatent/US5443581A/en
Application filed by Wood George & Co IncfiledCriticalWood George & Co Inc
Priority to SG1996003466Aprioritypatent/SG52363A1/en
Priority to GB9412735Aprioritypatent/GB2291482B/en
Publication of SG52363A1publicationCriticalpatent/SG52363A1/en