CA64912A - Draft regulator, damper and ventilator - Google Patents

Draft regulator, damper and ventilator

Info

Publication number
CA64912A
CA64912A CA000064912A CA64912DA CA64912A CA 64912 A CA64912 A CA 64912A CA 000064912 A CA000064912 A CA 000064912A CA 64912D A CA64912D A CA 64912DA CA 64912 A CA64912 A CA 64912A
Authority
CA
Canada
Prior art keywords
ventilator
damper
draft regulator
draft
regulator
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
CA000064912A
Other languages
French (fr)
Inventor
Earl Vincent Coulston
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 CA64912A publication Critical patent/CA64912A/en
Expired legal-status Critical Current

Links

CA000064912A 1899-10-24 1899-10-24 Draft regulator, damper and ventilator Expired CA64912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA64912T 1899-10-24

Publications (1)

Publication Number Publication Date
CA64912A true CA64912A (en) 1899-11-14

Family

ID=45181450

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000064912A Expired CA64912A (en) 1899-10-24 1899-10-24 Draft regulator, damper and ventilator

Country Status (1)

Country Link
CA (1) CA64912A (en)

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