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
CA816886A
Inventor
J. Lucas Elbert
J. Newman Charles
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.)
Grote Manufacturing Co
Original Assignee
Grote Manufacturing Co
Publication date
Application grantedgrantedCritical
Publication of CA816886ApublicationCriticalpatent/CA816886A/en