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
CA776297A
Inventor
H. Applebaum Curtis
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.)
GORDON J MCGRATH
Original Assignee
GORDON J MCGRATH
Publication date
Application grantedgrantedCritical
Publication of CA776297ApublicationCriticalpatent/CA776297A/en