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 US07/923,724external-prioritypatent/US5780292A/en
Application filed by Roal OyfiledCriticalRoal Oy
Application grantedgrantedCritical
Publication of DK0659215T3publicationCriticalpatent/DK0659215T3/en