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.)
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.)
THEODORE V D BERDELL
Original Assignee
THEODORE V D BERDELL
Publication date
Application grantedgrantedCritical
Publication of CA303272ApublicationCriticalpatent/CA303272A/fr