Inventor
ENGEL GEORGE L
US7 patents
⚠️ This page may combine multiple inventors who share the name “ENGEL GEORGE L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CENTRAL INST DEAF
3 patentsUS5111419AMay 5, 1992
Electronic filters, signal conversion apparatus, hearing aids and methods
CENTRAL INST DEAF118 citations97
US5357251AOct 18, 1994
Electronic filters, signal conversion apparatus, hearing aids and methods
CENTRAL INST DEAF40 citations92
US5225836AJul 6, 1993
Electronic filters, repeated signal charge conversion apparatus, hearing aids and methods
CENTRAL INST DEAF34 citations92