CA83691A - Garde pour transmetteur et recepteur telephonique, etc. - Google Patents

Garde pour transmetteur et recepteur telephonique, etc.

Info

Publication number
CA83691A
CA83691A CA000083691A CA83691DA CA83691A CA 83691 A CA83691 A CA 83691A CA 000083691 A CA000083691 A CA 000083691A CA 83691D A CA83691D A CA 83691DA CA 83691 A CA83691 A CA 83691A
Authority
CA
Canada
Prior art keywords
transmitters
guard
receivers
speech
speech receivers
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
CA000083691A
Other languages
English (en)
Inventor
John Samuel Judson Ballard
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.)
BALLARD HYGIEPHONE Co
Original Assignee
BALLARD HYGIEPHONE Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BALLARD HYGIEPHONE Co filed Critical BALLARD HYGIEPHONE Co
Application granted granted Critical
Publication of CA83691A publication Critical patent/CA83691A/fr
Expired legal-status Critical Current

Links

CA000083691A 1902-11-18 1902-11-18 Garde pour transmetteur et recepteur telephonique, etc. Expired CA83691A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA83691T 1902-11-18

Publications (1)

Publication Number Publication Date
CA83691A true CA83691A (fr) 1903-10-27

Family

ID=45200227

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000083691A Expired CA83691A (fr) 1902-11-18 1902-11-18 Garde pour transmetteur et recepteur telephonique, etc.

Country Status (1)

Country Link
CA (1) CA83691A (fr)

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