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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 US06/755,724external-prioritypatent/US4586956A/en
Application filed by IndividualfiledCriticalIndividual
Priority to CA002032020ApriorityCriticalpatent/CA2032020C/fr
Publication of CA2032020A1publicationCriticalpatent/CA2032020A1/fr
Application grantedgrantedCritical
Publication of CA2032020CpublicationCriticalpatent/CA2032020C/fr