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.)
Propper Manufacturing Co Inc
Original Assignee
Propper Manufacturing Co Inc
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
Application filed by Propper Manufacturing Co IncfiledCriticalPropper Manufacturing Co Inc
Priority to CA000454828ApriorityCriticalpatent/CA1231295A/fr
Application grantedgrantedCritical
Publication of CA1231295ApublicationCriticalpatent/CA1231295A/fr