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.)
M&R Industries Inc
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 US07/717,318external-prioritypatent/US5171052A/en
Application filed by IndividualfiledCriticalIndividual
Publication of CA2070038A1publicationCriticalpatent/CA2070038A1/fr
Application grantedgrantedCritical
Publication of CA2070038CpublicationCriticalpatent/CA2070038C/fr