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
CA643352A
Inventor
L. Dornbreck George
G. Sterling John
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.)
John Sterling Corp
Original Assignee
John Sterling Corp
Publication date
Application grantedgrantedCritical
Publication of CA643352ApublicationCriticalpatent/CA643352A/en