CA648393A - Transistor hearing aid - Google Patents

Transistor hearing aid

Info

Publication number
CA648393A
CA648393A CA648393A CA648393DA CA648393A CA 648393 A CA648393 A CA 648393A CA 648393 A CA648393 A CA 648393A CA 648393D A CA648393D A CA 648393DA CA 648393 A CA648393 A CA 648393A
Authority
CA
Canada
Prior art keywords
hearing aid
transistor
transistor hearing
aid
hearing
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
CA648393A
Inventor
J. Miller Bertrand
Wertwijn George
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio Corp
Publication date
Application granted granted Critical
Publication of CA648393A publication Critical patent/CA648393A/en
Expired legal-status Critical Current

Links

CA648393A Transistor hearing aid Expired CA648393A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA648393T

Publications (1)

Publication Number Publication Date
CA648393A true CA648393A (en) 1962-09-11

Family

ID=35937041

Family Applications (1)

Application Number Title Priority Date Filing Date
CA648393A Expired CA648393A (en) Transistor hearing aid

Country Status (1)

Country Link
CA (1) CA648393A (en)

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