Granted Patent
Utility
US 5,995,231 · App. 09/187,196
Method for calibrating a light traveling distance in a scanning module
Inventors:
Jern-Tsair Tsai, Bill Chen, Te-Chih Chang
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Nov 3, 1998
Inventors
Jern-Tsair Tsai
Bill Chen
Te-Chih Chang
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.