Granted Patent
Utility
US 6,138,035 · App. 09/016,458
Mobile communication system having cordless handy phone unit as mobile station
Inventor:
Shigeru Tsujita
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Jan 30, 1998
Inventor
Shigeru Tsujita
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.