Granted Patent
Utility
US 6,440,629 · App. 09/777,968
Imaging apparatus
Inventors:
Weizhong Zhao, David H. Pan
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Feb 6, 2001
Inventors
Weizhong Zhao
David H. Pan
Assignee (at issue)
Xerox 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.