Granted Patent
Utility
US 6,504,831 · App. 09/256,244
Optical simulcast network with centralized call processing
Inventors:
Ken C. Greenwood, Erik T. DeVinney, Richard P. Slabinski
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Feb 23, 1999
Inventors
Ken C. Greenwood
Erik T. DeVinney
Richard P. Slabinski
Assignee (at issue)
LOCKHEED MARTIN 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.