CA448479A - Control method and apparatus - Google Patents

Control method and apparatus

Info

Publication number
CA448479A
CA448479A CA448479A CA448479DA CA448479A CA 448479 A CA448479 A CA 448479A CA 448479 A CA448479 A CA 448479A CA 448479D A CA448479D A CA 448479DA CA 448479 A CA448479 A CA 448479A
Authority
CA
Canada
Prior art keywords
control method
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
CA448479A
Other languages
French (fr)
Inventor
R. Van Deventer Harry
J. Shively John
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.)
TELEPHONE ANSWERING AND RECORDING Corp
Original Assignee
TELEPHONE ANSWERING AND RECORDING Corp
Publication date
Application granted granted Critical
Publication of CA448479A publication Critical patent/CA448479A/en
Expired legal-status Critical Current

Links

CA448479A Control method and apparatus Expired CA448479A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA448479T

Publications (1)

Publication Number Publication Date
CA448479A true CA448479A (en) 1948-05-11

Family

ID=35566168

Family Applications (1)

Application Number Title Priority Date Filing Date
CA448479A Expired CA448479A (en) Control method and apparatus

Country Status (1)

Country Link
CA (1) CA448479A (en)

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