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 US07/385,544external-prioritypatent/US4984572A/en
Application filed by IndividualfiledCriticalIndividual
Priority to CA 2022018priorityCriticalpatent/CA2022018C/fr
Publication of CA2022018A1publicationCriticalpatent/CA2022018A1/fr
Application grantedgrantedCritical
Publication of CA2022018CpublicationCriticalpatent/CA2022018C/fr