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
CA875939A
Inventor
W. Tittman David
M. Marincel George
L. Hovland Marcus
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.)
Erie Development Co
Original Assignee
Erie Development Co
Publication date
Application grantedgrantedCritical
Publication of CA875939ApublicationCriticalpatent/CA875939A/en