CA385152A - Door operator - Google Patents

Door operator

Info

Publication number
CA385152A
CA385152A CA385152A CA385152DA CA385152A CA 385152 A CA385152 A CA 385152A CA 385152 A CA385152 A CA 385152A CA 385152D A CA385152D A CA 385152DA CA 385152 A CA385152 A CA 385152A
Authority
CA
Canada
Prior art keywords
door operator
door
operator
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
CA385152A
Other languages
French (fr)
Inventor
Forrest Drake George
D. Colman Howard
Original Assignee
D. Colman Howard
Forrest Drake George
Publication date
Priority to CA385152T priority Critical
Application granted granted Critical
Publication of CA385152A publication Critical patent/CA385152A/en
Expired legal-status Critical Current

Links

CA385152A Door operator Expired CA385152A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA385152T

Publications (1)

Publication Number Publication Date
CA385152A true CA385152A (en) 1939-11-21

Family

ID=35390375

Family Applications (1)

Application Number Title Priority Date Filing Date
CA385152A Expired CA385152A (en) Door operator

Country Status (1)

Country Link
CA (1) CA385152A (en)

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