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
CA732400A
Inventor
G. R. Gates Albert
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.)
NRG Manufacturing Ltd
Original Assignee
NRG Manufacturing Ltd
Publication date
Application grantedgrantedCritical
Publication of CA732400ApublicationCriticalpatent/CA732400A/en