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
CA719291A
Inventor
J. Jacobs Louis
J. Cherry Carl
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.)
S Obermayer Co
Original Assignee
S Obermayer Co
Publication date
Application grantedgrantedCritical
Publication of CA719291ApublicationCriticalpatent/CA719291A/en