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
CA636543A
Inventor
O. Leipold Herbert
C Evancich Emil
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.)
Easy Heat Inc
Original Assignee
Easy Heat Inc
Publication date
Application grantedgrantedCritical
Publication of CA636543ApublicationCriticalpatent/CA636543A/en