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
CA870268A
Inventor
C. Lewis Dwight
E. Wilder Justin
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.)
Penn Controls Inc
Original Assignee
Penn Controls Inc
Publication date
Application grantedgrantedCritical
Publication of CA870268ApublicationCriticalpatent/CA870268A/en