CA545548A - Roof ventilator - Google Patents

Roof ventilator

Info

Publication number
CA545548A
CA545548A CA545548DA CA545548A CA 545548 A CA545548 A CA 545548A CA 545548D A CA545548D A CA 545548DA CA 545548 A CA545548 A CA 545548A
Authority
CA
Canada
Prior art keywords
roof ventilator
ventilator
roof
Prior art date
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
Other languages
French (fr)
Inventor
P. Johnson Jay
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.)
SWARTWOUT Co
Original Assignee
SWARTWOUT Co
Publication date
Application granted granted Critical
Publication of CA545548A publication Critical patent/CA545548A/en
Expired legal-status Critical Current

Links

CA545548D Roof ventilator Expired CA545548A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA545548T

Publications (1)

Publication Number Publication Date
CA545548A true CA545548A (en) 1957-08-27

Family

ID=35702731

Family Applications (1)

Application Number Title Priority Date Filing Date
CA545548D Expired CA545548A (en) Roof ventilator

Country Status (1)

Country Link
CA (1) CA545548A (en)

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