CA776420A - Roof ventilators - Google Patents

Roof ventilators

Info

Publication number
CA776420A
CA776420A CA776420A CA776420DA CA776420A CA 776420 A CA776420 A CA 776420A CA 776420 A CA776420 A CA 776420A CA 776420D A CA776420D A CA 776420DA CA 776420 A CA776420 A CA 776420A
Authority
CA
Canada
Prior art keywords
roof ventilators
ventilators
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
CA776420A
Inventor
E. Randall Frank
L. Smith Lester
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA776420A publication Critical patent/CA776420A/en
Expired legal-status Critical Current

Links

CA776420A Roof ventilators Expired CA776420A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA776420T

Publications (1)

Publication Number Publication Date
CA776420A true CA776420A (en) 1968-01-23

Family

ID=36223716

Family Applications (1)

Application Number Title Priority Date Filing Date
CA776420A Expired CA776420A (en) Roof ventilators

Country Status (1)

Country Link
CA (1) CA776420A (en)

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