Granted Patent
Utility
US 6,477,197 · App. 09/109,258
Method and apparatus for a cable modem upstream RF switching system
Inventor:
David UNGER
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Jun 30, 1998
Inventor
David UNGER
Assignee (at issue)
Arris International, 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.