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
CA848449A
Inventor
F. Ullman Edwin
H. Osiecki Jeanne
O'dorchai Raphael
G. B. Boocock David
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.)
Synvar Associates
Original Assignee
Synvar Associates
Publication date
Application grantedgrantedCritical
Publication of CA848449ApublicationCriticalpatent/CA848449A/en