CA306424A - Telephone electrostatique - Google Patents

Telephone electrostatique

Info

Publication number
CA306424A
CA306424A CA306424A CA306424DA CA306424A CA 306424 A CA306424 A CA 306424A CA 306424 A CA306424 A CA 306424A CA 306424D A CA306424D A CA 306424DA CA 306424 A CA306424 A CA 306424A
Authority
CA
Canada
Prior art keywords
electrostatic telephone
electrostatic
telephone
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
CA306424A
Other languages
English (en)
Inventor
Massolle Joseph
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.)
AMERICAN TRI-ERGON Corp
Tri-Ergon A-G
Original Assignee
AMERICAN TRI-ERGON Corp
Tri-Ergon A-G
Publication date
Application granted granted Critical
Publication of CA306424A publication Critical patent/CA306424A/fr
Expired legal-status Critical Current

Links

CA306424A Telephone electrostatique Expired CA306424A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA306424T

Publications (1)

Publication Number Publication Date
CA306424A true CA306424A (fr) 1930-12-02

Family

ID=35259575

Family Applications (1)

Application Number Title Priority Date Filing Date
CA306424A Expired CA306424A (fr) Telephone electrostatique

Country Status (1)

Country Link
CA (1) CA306424A (fr)

Similar Documents

Publication Publication Date Title
CA306424A (fr) Telephone electrostatique
CA296509A (fr) Telephone electrostatique
CA305246A (fr) Appareil telephonique
CA302986A (fr) Ligne telephonique
CA299779A (fr) Microphone
CA306496A (fr) Haut-parleur
CA298710A (fr) Systeme telephonique
CA301277A (fr) Systeme telephonique
CA301283A (fr) Systeme telephonique
CA301410A (fr) Systeme telephonique
CA301938A (fr) Systeme telephonique
CA302272A (fr) Systeme telephonique
CA296466A (fr) Systeme telephonique
CA296467A (fr) Systeme telephonique
CA296694A (fr) Systeme telephonique
CA297487A (fr) Systeme telephoniques
CA297506A (fr) Systeme telephonique
CA297507A (fr) Systeme telephonique
CA297766A (fr) Systeme telephonique
CA298681A (fr) Systeme telephonique
CA298682A (fr) Systeme telephonique
CA298683A (fr) Systeme telephonique
CA298685A (fr) Systeme telephonique
CA299372A (fr) Systeme telephonique
CA299415A (fr) Systeme telephonique