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
CA776472A
Inventor
W. Herd Paul
G. Holt Ray
D. Allen 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.)
Fawick Corp
Original Assignee
Fawick Corp
Publication date
Application grantedgrantedCritical
Publication of CA776472ApublicationCriticalpatent/CA776472A/en