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
CA873997A
Inventor
J. Teller Aaron
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.)
Teller Environmental Systems Inc
Original Assignee
Teller Environmental Systems Inc
Publication date
Application grantedgrantedCritical
Publication of CA873997ApublicationCriticalpatent/CA873997A/en