Inventor
WALDHAUER FRED
US5 patents
⚠️ This page may combine multiple inventors who share the name “WALDHAUER FRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ETYMOTIC RES INC
3 patentsUS6327370B1Dec 4, 2001
Hearing aid having plural microphones and a microphone switching system
ETYMOTIC RES INC131 citations96
US6101258AAug 8, 2000
Hearing aid having plural microphones and a microphone switching system
ETYMOTIC RES INC127 citations96
US5524056AJun 4, 1996
Hearing aid having plural microphones and a microphone switching system
ETYMOTIC RES INC315 citations96