Legal status (The legal status 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 status listed.)
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Individual
Original Assignee
Individual
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Publication date
Priority claimed from US07/031,522external-prioritypatent/US4803982A/en
Application filed by IndividualfiledCriticalIndividual
Publication of DE3890213T1publicationCriticalpatent/DE3890213T1/de