Granted Patent
Utility
US 4,317,194 · App. 06/099,379
Carrier frequency spectrum generator using logic level input pulses
Inventor:
Lawrence E. Getgen
Patented Case
View Patent ↗
Granted: Feb 23, 1982
Filed: Dec 3, 1979
Inventor
Lawrence E. Getgen
Assignee (at issue)
GTE Automatic Electric Laboratories, Incorporated
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.