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
CA738757A
Inventor
Irwin Walle L.
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.)
GALLAND-HENNING MANUFACTURING Co
Original Assignee
GALLAND-HENNING MANUFACTURING Co
Publication date
Application grantedgrantedCritical
Publication of CA738757ApublicationCriticalpatent/CA738757A/en