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