Granted Patent
Utility
US 6,187,499 · App. 09/492,715
Imaging apparatus
Inventors:
Weizhong Zhao, David H. Pan, John W. Spiewak, Christopher M. Knapp
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Jan 27, 2000
Inventors
Weizhong Zhao
David H. Pan
John W. Spiewak
Christopher M. Knapp
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.