Granted Patent
Utility
US 6,075,972 · App. 09/130,842
CATV network and cable modem system having a wireless return path
Inventors:
Mark Edward Laubach, Paul Baran
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Aug 7, 1998
Inventors
Mark Edward Laubach
Paul Baran
Assignee (at issue)
COM21, 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.