CA413763A - Signal or controlling device - Google Patents

Signal or controlling device

Info

Publication number
CA413763A
CA413763A CA413763A CA413763DA CA413763A CA 413763 A CA413763 A CA 413763A CA 413763 A CA413763 A CA 413763A CA 413763D A CA413763D A CA 413763DA CA 413763 A CA413763 A CA 413763A
Authority
CA
Canada
Prior art keywords
signal
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
CA413763A
Other languages
French (fr)
Inventor
W. Jackson Frank
M. Nacey Harry
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 CA413763A publication Critical patent/CA413763A/en
Expired legal-status Critical Current

Links

CA413763A Signal or controlling device Expired CA413763A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA413763T

Publications (1)

Publication Number Publication Date
CA413763A true CA413763A (en) 1943-07-13

Family

ID=35522942

Family Applications (1)

Application Number Title Priority Date Filing Date
CA413763A Expired CA413763A (en) Signal or controlling device

Country Status (1)

Country Link
CA (1) CA413763A (en)

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