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
CA789435A
Inventor
E. Roy Paul
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.)
LES INDUSTRIES DE FIBRE DE VERRE DE THETFORD Inc
Original Assignee
LES INDUSTRIES DE FIBRE DE VERRE DE THETFORD Inc
Publication date
Application grantedgrantedCritical
Publication of CA789435ApublicationCriticalpatent/CA789435A/en