Granted Patent
Utility
US 5,850,593 · App. 08/502,252
Mobile communication for a mobile station near or outside a service area of a base station
Inventor:
Chikara Uratani
Patented Case
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Granted: Dec 15, 1998
Filed: Jul 13, 1995
Inventor
Chikara Uratani
Assignee (at issue)
NEC 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.