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
CA855947A
Inventor
A. Blashfield Floyd
B. Renner George
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.)
FRANK J RENNER
WILLIAM M RENNER
Original Assignee
FRANK J RENNER
WILLIAM M RENNER
Publication date
Application grantedgrantedCritical
Publication of CA855947ApublicationCriticalpatent/CA855947A/en