Granted Patent
Utility
US 6,445,480 · App. 09/749,539
Image scanning device with switching mechanism for selectively scanning reflective and transparent document
Inventors:
Yin-Chun Huang, Chien-Liang Yeh
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Dec 28, 2000
Inventors
Yin-Chun Huang
Chien-Liang Yeh
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.