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
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Individual
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Publication date
Priority claimed from US08/571,331external-prioritypatent/US5689180A/en
Application filed by IndividualfiledCriticalIndividual
Publication of CA2240414A1publicationCriticalpatent/CA2240414A1/fr
Application grantedgrantedCritical
Publication of CA2240414CpublicationCriticalpatent/CA2240414C/fr