Inventor

KROETSCH EDWARD S

US3 patents

Patents

3 patents

US5201008AApr 6, 1993

Modular hearing aid with lid hinged to faceplate

UNITRON IND LTD225 citations96

US5008943AApr 16, 1991

Modular hearing aid with lid hinged to faceplate

UNITRON IND LTD192 citations96

US5204917AApr 20, 1993

Modular hearing aid

UNITRON IND LTD152 citations93