CA180453A - Ventilator and air purifier - Google Patents

Ventilator and air purifier

Info

Publication number
CA180453A
CA180453A CA000180453A CA180453DA CA180453A CA 180453 A CA180453 A CA 180453A CA 000180453 A CA000180453 A CA 000180453A CA 180453D A CA180453D A CA 180453DA CA 180453 A CA180453 A CA 180453A
Authority
CA
Canada
Prior art keywords
ventilator
air purifier
purifier
air
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
CA000180453A
Other languages
French (fr)
Inventor
Frank A. Gustaveson
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA180453A publication Critical patent/CA180453A/en
Expired legal-status Critical Current

Links

CA000180453A 1917-06-18 1917-06-18 Ventilator and air purifier Expired CA180453A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA180453T 1917-06-18

Publications (1)

Publication Number Publication Date
CA180453A true CA180453A (en) 1917-11-20

Family

ID=45300106

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000180453A Expired CA180453A (en) 1917-06-18 1917-06-18 Ventilator and air purifier

Country Status (1)

Country Link
CA (1) CA180453A (en)

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