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
CA728415A
Inventor
W. Vasel Alfred
W. Kalns Rudolph
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.)
Pyrotector Inc
Original Assignee
Pyrotector Inc
Publication date
Application grantedgrantedCritical
Publication of CA728415ApublicationCriticalpatent/CA728415A/en