Granted Patent
Utility
US 6,137,825 · App. 09/041,108
Communication system, transmitter and receiver
Inventors:
Kiyoki Sekine, Manabu Kawabe
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Mar 12, 1998
Inventors
Kiyoki Sekine
Manabu Kawabe
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.