Granted Patent
Utility
US 6,648,323 · App. 09/905,788
Feeding device
Inventor:
Yen-Sung Hsieh
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Jul 13, 2001
Inventor
Yen-Sung Hsieh
Assignee (at issue)
BenQ Corporation
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.