Inventor

GUPTA ARUPRATAN

US4 patents

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

AMERICAN TELEPHONE & TELEGRAPH

1 patent

US4806801AFeb 21, 1989

TTL compatible CMOS input buffer having a predetermined threshold voltage and method of designing same

AMERICAN TELEPHONE & TELEGRAPH20 citations79

AGERE SYST GUARDIAN CORP

1 patent

US6370236B1Apr 9, 2002

Remotely operable telephone answering device and method of operation thereof

AGERE SYST GUARDIAN CORP6 citations72

AGERE SYSTEMS INC

1 patent

US6608889B2Aug 19, 2003

Telephone having convenience feature data transfer capability

AGERE SYSTEMS INC9 citations71

GUPTA ARUPRATAN

1 patent

US9860224B2Jan 2, 2018

Systems and methods for secured entry of user authentication data

GUPTA ARUPRATAN1 citations41