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
CA770378A
Inventor
L. Petoff George
F. Depew Noel
D. Wasson Frederick
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.)
PRECISION CONTOURS
Original Assignee
PRECISION CONTOURS
Publication date
Application grantedgrantedCritical
Publication of CA770378ApublicationCriticalpatent/CA770378A/en