CA496894A - Finger-wheel operated call transmitter - Google Patents

Finger-wheel operated call transmitter

Info

Publication number
CA496894A
CA496894A CA496894A CA496894DA CA496894A CA 496894 A CA496894 A CA 496894A CA 496894 A CA496894 A CA 496894A CA 496894D A CA496894D A CA 496894DA CA 496894 A CA496894 A CA 496894A
Authority
CA
Canada
Prior art keywords
finger
call transmitter
wheel operated
operated call
wheel
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
CA496894A
Other languages
French (fr)
Inventor
R. Clark Harry
Herckmans Alfred
A. Elmer Lloyd
L. Walter Orville
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA496894A publication Critical patent/CA496894A/en
Expired legal-status Critical Current

Links

CA496894A Finger-wheel operated call transmitter Expired CA496894A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA496894T

Publications (1)

Publication Number Publication Date
CA496894A true CA496894A (en) 1953-10-13

Family

ID=35642321

Family Applications (1)

Application Number Title Priority Date Filing Date
CA496894A Expired CA496894A (en) Finger-wheel operated call transmitter

Country Status (1)

Country Link
CA (1) CA496894A (en)

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