Granted Patent
Utility
US 6,608,616 · App. 09/839,218
Ergonomic scrolling device
Inventor:
Winky Lin
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Apr 23, 2001
Inventor
Winky Lin
Assignee (at issue)
Silitek Corporation
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.