SONGBIRD

Patents in grey text have expired

HIMPP #Son01: Title: Hinged hearing aid
US5825896

HIMPP #Son02: Title: Disposable hearing aid
US5881159

HIMPP #Son03: Title: Peritympanic hearing instrument
US6205227

HIMPP #Son04: Title: Hearing aid digital filter
US6292571

HIMPP #Son05: Title: Microphone assembly for hearing aid with JFET flip-chip buffer
US6366678

HIMPP #Son06: Title: Modular electroacoustic instrument
US6389143

HIMPP #Son07: Title: Power source for a hearing aid
US6410997

HIMPP #Son08: Title: Disposable hearing aid with integral power source
US6473511

HIMPP #Son09: Title: Hearing aid with flexible shell
US6865279

HIMPP #Son10: Title: Low distortion compression amplifier
US6927632

HIMPP #Son11: Title: Hearing aid with large diaphragm microphone element including a printed circuit board
US7003127

HIMPP #Son12: Title: Hearing aid
US7010137

HIMPP #Son13: Title: A flexible hearing aid tip with an integral receiver
US7082206

HIMPP #Son14: Title: One-size-fits-all uni-ear hearing instrument
US7092543

HIMPP #Son15: Title: Disposable modular hearing aid
US7113611

HIMPP #Son16: Title: Hearing aid with large diaphragm microphone element including a printed circuit board
US7221768

HIMPP #Son17: Title: Disposable modular hearing aid
US7403629

HIMPP #Son18: Title: Hearing aid
US7536023

HIMPP #Son19: Title: Hearing aid circuit with integrated switch and battery
US7756284

HIMPP #Son20: Title: Hearing aid with tuned microphone cavity
US7756285

HIMPP #Son21: Title: Hearing aid packaging
US7987977

HIMPP #Son22: Title: Hearing aid
US8121326

HIMPP #Son23: Title: Hearing aid circuit with integrated switch and battery
US8121327