Granted Patent
Utility
US 6,552,835 · App. 09/726,881
Reflective and penetrative scanning apparatus
Inventor:
Chih-Wen Huang
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: Nov 30, 2000
Inventor
Chih-Wen Huang
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.