Inventor

THORNTON MARC

US3 patents

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

BAUMEISTER CHRISTINE

2 patents

US7227941B2Jun 5, 2007

Enhanced directory assistance system with voice over IP call handling

BAUMEISTER CHRISTINE16 citations88

US8705516B2Apr 22, 2014

Enhanced directory assistance system with voice over IP call handling

BAUMEISTER CHRISTINE0 citations47

GRAPE TECHNOLOGY GROUP INC

1 patent

US8027336B2Sep 27, 2011

Enhanced directory assistance system with voice over IP call handling

GRAPE TECHNOLOGY GROUP INC0 citations48