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
CA772461A
Inventor
E. Domer Lavern
F. Collins Donald
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.)
Adamson United Co
Original Assignee
Adamson United Co
Publication date
Application grantedgrantedCritical
Publication of CA772461ApublicationCriticalpatent/CA772461A/en