Granted Patent
Utility
US 6,771,303 · App. 10/128,888
Video-teleconferencing system with eye-gaze correction
Inventors:
Zhengyou Zhang, Ruigang Yang
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Apr 23, 2002
Inventors
Zhengyou Zhang
Ruigang Yang
Assignee (at issue)
Microsoft Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.