Granted Patent
Utility
US 6,295,143 · App. 09/026,377
Apparatus and method of detecting a scanning range when applying assistant frames for flatbed scanners
Inventors:
Wayne Lee, Jenn-Tsair Tsai, Flyinga Liao
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Feb 19, 1998
Inventors
Wayne Lee
Jenn-Tsair Tsai
Flyinga Liao
Assignee (at issue)
Mustek 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.