Inventor

CERNY ELMER J

3 patents

Patents

3 patents

US4860890AAug 29, 1989

Battery holder

BELTONE ELECTRONICS CORP30 citations88

US4498555AFeb 12, 1985

Hearing aid nubbin and acoustic damper

BELTONE ELECTRONICS CORP10 citations68

US4153758AMay 8, 1979

Hearing aid battery holder

BELTONE ELECTRONICS CORP9 citations68