Granted Patent
Utility
US 6,516,003 · App. 09/276,116
Data communication apparatus
Inventors:
Masato Nonaka, Kiyoshi Fukui
Patented Case
View Patent ↗
Granted: Feb 4, 2003
Filed: Mar 25, 1999
Inventors
Masato Nonaka
Kiyoshi Fukui
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.