Granted Patent
Utility
US 6,226,491 · App. 08/944,481
Access control for multi-access satellite communication system
Inventors:
Marvin R. Wachs, Arnold L. Berman
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Oct 6, 1997
Inventors
Marvin R. Wachs
Arnold L. Berman
Assignee (at issue)
HUGHES ELECTRONICS LIMITED
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.