Granted Patent
Utility
US 6,557,762 · App. 09/588,023
Method for increasing depth of scanning field of a scanning device
Inventors:
Jenn-Tsair Tsai, Albert Lu
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Jun 6, 2000
Inventors
Jenn-Tsair Tsai
Albert Lu
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.