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
CA794695A
Inventor
W. Murray Robert
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.)
American National Valve Corp
Original Assignee
American National Valve Corp
Publication date
Application grantedgrantedCritical
Publication of CA794695ApublicationCriticalpatent/CA794695A/en