Granted Patent
Utility
US 6,339,482 · App. 09/164,423
Control method for positioning multiple lens of scanner
Inventors:
Jenn-Tsair Tsai, Te-Chih Chang
Patented Case
View Patent ↗
Granted: Jan 15, 2002
Filed: Sep 30, 1998
Inventors
Jenn-Tsair Tsai
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.