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
CA656974A
Inventor
Rodgers Arthur
E. Fallis Charles
Werner Huthsing H.
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.)
FIRE GUARD CORP
Original Assignee
FIRE GUARD CORP
Publication date
Application grantedgrantedCritical
Publication of CA656974ApublicationCriticalpatent/CA656974A/en