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
CA832241A
Inventor
H. Bell John
E. Daniels Everett
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.)
WEATHER-PROOF Co
Original Assignee
WEATHER-PROOF Co
Publication date
Application grantedgrantedCritical
Publication of CA832241ApublicationCriticalpatent/CA832241A/en