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
CA607346A
Inventor
M. Seeloff Melvin
M. Campbell Donald
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.)
Taylor Winfield Corp
Original Assignee
Taylor Winfield Corp
Publication date
Application grantedgrantedCritical
Publication of CA607346ApublicationCriticalpatent/CA607346A/en