Granted Patent
Utility
US 4,201,992 · App. 05/898,051
Multibeam communications satellite
Inventor:
George R. Welti
Patented Case
View Patent ↗
Granted: May 6, 1980
Filed: Apr 20, 1978
Inventor
George R. Welti
Assignee (at issue)
Communications Satellite Corporation
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.