CA407499A - Casque telephonique de transmetteur - Google Patents

Casque telephonique de transmetteur

Info

Publication number
CA407499A
CA407499A CA407499A CA407499DA CA407499A CA 407499 A CA407499 A CA 407499A CA 407499 A CA407499 A CA 407499A CA 407499D A CA407499D A CA 407499DA CA 407499 A CA407499 A CA 407499A
Authority
CA
Canada
Prior art keywords
head set
transmitter head
transmitter
head
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
CA407499A
Other languages
English (en)
Inventor
Frederick Horlacher Albert
Earl Woodruff Albert
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.)
Associated Electric Laboratories Inc
Original Assignee
Associated Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA407499A publication Critical patent/CA407499A/fr
Expired legal-status Critical Current

Links

CA407499A Casque telephonique de transmetteur Expired CA407499A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA407499T

Publications (1)

Publication Number Publication Date
CA407499A true CA407499A (fr) 1942-09-22

Family

ID=35418799

Family Applications (1)

Application Number Title Priority Date Filing Date
CA407499A Expired CA407499A (fr) Casque telephonique de transmetteur

Country Status (1)

Country Link
CA (1) CA407499A (fr)

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