Granted Patent
Utility
US 6,721,564 · App. 09/544,291
Mobile communication terminal apparatus having hand-over requesting function, hand-over control device, hand-over controlling method and storage medium storing the hand-over controlling method
Inventor:
Shigeyuki Kobayashi
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Apr 6, 2000
Inventor
Shigeyuki Kobayashi
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.