Granted Patent
Utility
US 6,421,392 · App. 09/000,523
Single-source multidrop communication system
Inventor:
George R. King
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Dec 30, 1997
Inventor
George R. King
Assignee (at issue)
Siemens Information and Communication Networks, Inc.
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.