Granted Patent
Utility
US 6,532,084 · App. 09/358,679
Method for detecting the relative location of an image reading head and a light source
Inventor:
Chui-Kuei Chiu
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Jul 22, 1999
Inventor
Chui-Kuei Chiu
Assignee (at issue)
Umax Data Systems, Inc.
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.