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
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Filing date
Publication date
Priority claimed from US07/369,131external-prioritypatent/US4982450A/en
Application filed by IndividualfiledCriticalIndividual
Priority claimed from CA002027299Aexternal-prioritypatent/CA2027299C/en
Publication of ES2019269A4publicationCriticalpatent/ES2019269A4/es