CA290023A - Controlling device - Google Patents

Controlling device

Info

Publication number
CA290023A
CA290023A CA290023A CA290023DA CA290023A CA 290023 A CA290023 A CA 290023A CA 290023 A CA290023 A CA 290023A CA 290023D A CA290023D A CA 290023DA CA 290023 A CA290023 A CA 290023A
Authority
CA
Canada
Prior art keywords
controlling device
controlling
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
CA290023A
Other languages
French (fr)
Inventor
Penn Ralph
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.)
Penn Electric Switch Co
Original Assignee
Penn Electric Switch Co
Publication date
Application granted granted Critical
Publication of CA290023A publication Critical patent/CA290023A/en
Expired legal-status Critical Current

Links

CA290023A Controlling device Expired CA290023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA290023T

Publications (1)

Publication Number Publication Date
CA290023A true CA290023A (en) 1929-05-28

Family

ID=35226835

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290023A Expired CA290023A (en) Controlling device

Country Status (1)

Country Link
CA (1) CA290023A (en)

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