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
CA804960A
Inventor
K. Hoffman Robert
R. Dolegowski Arthur
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.)
Norgren LLC
Original Assignee
Norgren LLC
Publication date
Application grantedgrantedCritical
Publication of CA804960ApublicationCriticalpatent/CA804960A/en