CA21149A - Automatic damper regulator - Google Patents

Automatic damper regulator

Info

Publication number
CA21149A
CA21149A CA000021149A CA21149DA CA21149A CA 21149 A CA21149 A CA 21149A CA 000021149 A CA000021149 A CA 000021149A CA 21149D A CA21149D A CA 21149DA CA 21149 A CA21149 A CA 21149A
Authority
CA
Canada
Prior art keywords
automatic damper
damper regulator
regulator
automatic
damper
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
CA000021149A
Other languages
French (fr)
Inventor
James A. House
Charles H. Dimond
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 CA21149A publication Critical patent/CA21149A/en
Expired legal-status Critical Current

Links

CA000021149A Automatic damper regulator Expired CA21149A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA21149T

Publications (1)

Publication Number Publication Date
CA21149A true CA21149A (en) 1885-02-25

Family

ID=45137692

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000021149A Expired CA21149A (en) Automatic damper regulator

Country Status (1)

Country Link
CA (1) CA21149A (en)

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