Inventor

GAHLEITNER ERWIN

DE2 patents

Patents

2 patents

US4395601AJul 26, 1983

Modular hearing aid

BOSCH GMBH ROBERT55 citations93

US4418787ADec 6, 1983

Hearing aid with audio path duct extension element, and extension element attachment

BOSCH GMBH ROBERT36 citations88