Inventor

CHU HELEN

US3 patents

⚠️ This page may combine multiple inventors who share the name “CHU HELEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AT & T CORP

1 patent

US5539744AJul 23, 1996

Hand-off management for cellular telephony

AT & T CORP178 citations98

LUCENT TECHNOLOGIES INC

1 patent

US5633868AMay 27, 1997

Virtual circuit management in cellular telecommunications

LUCENT TECHNOLOGIES INC297 citations97

ZIMMER INC

1 patent

US5443512AAug 22, 1995

Orthopaedic implant device

ZIMMER INC251 citations97