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
CA644744A
Inventor
K. Kroffke Kenneth
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.)
Airmatic Valve Inc
Original Assignee
Airmatic Valve Inc
Publication date
Application grantedgrantedCritical
Publication of CA644744ApublicationCriticalpatent/CA644744A/en