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
CA732962A
Inventor
C. Walker Robert
Henry R. Patterson, Jr.
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.)
Beloit Eastern Corp
Original Assignee
Beloit Eastern Corp
Publication date
Application grantedgrantedCritical
Publication of CA732962ApublicationCriticalpatent/CA732962A/en