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
CA830826A
Inventor
Nebolsine Rostislav
S. Toth Albert
J. Sanday 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.)
Hydrotechnic Corp
Original Assignee
Hydrotechnic Corp
Publication date
Application grantedgrantedCritical
Publication of CA830826ApublicationCriticalpatent/CA830826A/en