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
CA734835A
Inventor
E. Mueller Edward
B. Bartz Donald
C. Mueller Marvin
J. Christensen Melvin
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.)
Whirl-Air-Flow Corp
Original Assignee
Whirl-Air-Flow Corp
Publication date
Application grantedgrantedCritical
Publication of CA734835ApublicationCriticalpatent/CA734835A/en