CA236987A - Portal control mechanism - Google Patents

Portal control mechanism

Info

Publication number
CA236987A
CA236987A CA236987A CA236987DA CA236987A CA 236987 A CA236987 A CA 236987A CA 236987 A CA236987 A CA 236987A CA 236987D A CA236987D A CA 236987DA CA 236987 A CA236987 A CA 236987A
Authority
CA
Canada
Prior art keywords
control mechanism
portal control
portal
control
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
CA236987A
Other languages
French (fr)
Inventor
Reese Hutchinson Miller
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 CA236987A publication Critical patent/CA236987A/en
Expired legal-status Critical Current

Links

CA236987A Portal control mechanism Expired CA236987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA236987T

Publications (1)

Publication Number Publication Date
CA236987A true CA236987A (en) 1924-01-15

Family

ID=35141016

Family Applications (1)

Application Number Title Priority Date Filing Date
CA236987A Expired CA236987A (en) Portal control mechanism

Country Status (1)

Country Link
CA (1) CA236987A (en)

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