CA332900A - Roof ventilator - Google Patents

Roof ventilator

Info

Publication number
CA332900A
CA332900A CA332900A CA332900DA CA332900A CA 332900 A CA332900 A CA 332900A CA 332900 A CA332900 A CA 332900A CA 332900D A CA332900D A CA 332900DA CA 332900 A CA332900 A CA 332900A
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
CA332900A
Other languages
French (fr)
Inventor
William Lachance Walter
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.)
W F HIRSCHMAN Co
Original Assignee
W F HIRSCHMAN Co
Publication date
Application granted granted Critical
Publication of CA332900A publication Critical patent/CA332900A/en
Expired legal-status Critical Current

Links

CA332900A Roof ventilator Expired CA332900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA332900T

Publications (1)

Publication Number Publication Date
CA332900A true CA332900A (en) 1933-05-30

Family

ID=35296042

Family Applications (1)

Application Number Title Priority Date Filing Date
CA332900A Expired CA332900A (en) Roof ventilator

Country Status (1)

Country Link
CA (1) CA332900A (en)

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