Granted Patent
Utility
US 6,721,174 · App. 09/109,884
Portable information processing apparatus
Inventor:
Young Un Bang
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Jul 2, 1998
Inventor
Young Un Bang
Assignee (at issue)
LG Philips LCD Co., Ltd.
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.