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.)
Expired
Application number
CA237,307A
Inventor
Charles E. Kaempen
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.)
KAEMPEN INDUSTRIES
Original Assignee
KAEMPEN INDUSTRIES
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 CA145,191Aexternal-prioritypatent/CA979349A/en
Application filed by KAEMPEN INDUSTRIESfiledCriticalKAEMPEN INDUSTRIES
Priority to CA237,307ApriorityCriticalpatent/CA1005334A/en
Application grantedgrantedCritical
Publication of CA1005334ApublicationCriticalpatent/CA1005334A/en