Granted Patent
Utility
US 6,008,944 · App. 09/121,519
Optical device with optional resolutions
Inventor:
Jenn-Tsair Tsai
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Jul 23, 1998
Inventor
Jenn-Tsair Tsai
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.