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
CA852635A
Inventor
Berger Donald
N. Berger Sherwin
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.)
Universal Technical Products Inc
Original Assignee
Universal Technical Products Inc
Publication date
Application grantedgrantedCritical
Publication of CA852635ApublicationCriticalpatent/CA852635A/en