CA623159A - Roof ventilator - Google Patents

Roof ventilator

Info

Publication number: CA623159A
Authority: CA; Canada
Prior art keywords: roof ventilator; ventilator; roof
Prior art date: 1961-07-04
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

CA623159A

Inventor

U. Hill Francis

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.)

IRON LUNG VENTILATOR Co

Original Assignee

IRON LUNG VENTILATOR Co

Publication date

1961-07-04

1961-07-04 Application granted granted Critical

1961-07-04 Publication of CA623159A publication Critical patent/CA623159A/en

Status Expired legal-status Critical Current

Links

CA623159A Roof ventilator Expired CA623159A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA623159T

Publications (1)

Publication Number	Publication Date
CA623159A true CA623159A (en)	1961-07-04

Family

ID=35878339

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA623159A Expired CA623159A (en)			Roof ventilator

Country Status (1)

Country	Link
CA (1)	CA623159A (en)

0
- CA CA623159A patent/CA623159A/en not_active Expired

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