Granted Patent
Utility
US 6,204,838 · App. 09/082,757
Controlling scrolls of a screen image
Inventors:
Han-Che Wang, Shu-Ming Liu, Hong-Che Yen, Chen-Ming Chang
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: May 21, 1998
Inventors
Han-Che Wang
Shu-Ming Liu
Hong-Che Yen
Chen-Ming Chang
Assignee (at issue)
Primax Electronics Ltd.
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.