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
CA856186A
Inventor
A. Oshida Otto
P. Gilmore Jon
H. Lowe James
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.)
Grefco Inc
Original Assignee
Grefco Inc
Publication date
Application grantedgrantedCritical
Publication of CA856186ApublicationCriticalpatent/CA856186A/en