Granted Patent
Utility
US 6,509,877 · App. 09/942,652
Portable information apparatus incorporating radio communication antenna
Inventor:
Toshiyuki Masaki
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Aug 31, 2001
Inventor
Toshiyuki Masaki
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.