Granted Patent
Utility
US 5,988,779 · App. 09/128,984
Document tray of optical scanner
Inventors:
Hsin-Hung Tu, Hsien-Che Hung
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Aug 3, 1998
Inventors
Hsin-Hung Tu
Hsien-Che Hung
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.