Granted Patent
Utility
US 4,858,225 · App. 07/117,061
Variable bandwidth variable center-frequency multibeam satellite-switched router
Inventor:
Pietro deSantis
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Nov 5, 1987
Inventor
Pietro deSantis
Assignee (at issue)
International Telecommunications Satellite
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.